diff --git a/CHANGELOGS.rst b/CHANGELOGS.rst
index baa938f..1df5536 100644
--- a/CHANGELOGS.rst
+++ b/CHANGELOGS.rst
@@ -4,6 +4,7 @@ Change Logs
 0.2.0
 +++++
 
+* :pr:`23`: add sphinx extension quote
 * :pr:`21`: add sphinx extension faqref, runpython uses black
 * :pr:`17`: add RST writer to output the documentation into pure RST format
 * :pr:`16`: add command line nb2py to convert notebook to python files
diff --git a/_doc/api/index.rst b/_doc/api/index.rst
index f368f75..c386747 100644
--- a/_doc/api/index.rst
+++ b/_doc/api/index.rst
@@ -15,6 +15,7 @@ Extensions
     docassert
     epkg
     gdot
+    quote
     runpython
     tools
     rst_builder
diff --git a/_doc/api/quote.rst b/_doc/api/quote.rst
new file mode 100644
index 0000000..ec7cd4d
--- /dev/null
+++ b/_doc/api/quote.rst
@@ -0,0 +1,49 @@
+=====
+quote
+=====
+
+A bloc to insert a quote from a book, a film...
+
+Usage
+=====
+
+In *conf.py*:
+
+::
+
+    extensions = [ ...
+        'sphinx_runpython.quote',
+    ]
+
+One example:
+
+::
+
+    .. quote::
+        :author: Esther Duflo
+        :book: Expérience, science et lutte contre la pauvreté
+        :year: 2013
+        :index: economy
+        :pages: 26
+
+        [Roosevelt] It is common sense to take a method and try it:
+        if it fails, admit frankly and try another. But above all,
+        try something.
+
+Which gives:
+
+.. quote::
+    :author: Esther Duflo
+    :book: Expérience, science et lutte contre la pauvreté
+    :year: 2013
+    :index: pauvreté
+    :pages: 26
+
+    [Roosevelt] It is common sense to take a method and try it:
+    if it fails, admit frankly and try another. But above all,
+    try something.
+
+Directive
+=========
+
+.. autoclass:: sphinx_runpython.quote.sphinx_quote_extension.QuoteNode
diff --git a/_doc/conf.py b/_doc/conf.py
index b8b451e..1e2037d 100644
--- a/_doc/conf.py
+++ b/_doc/conf.py
@@ -26,6 +26,7 @@
     "sphinx_runpython.docassert",
     "sphinx_runpython.gdot",
     "sphinx_runpython.epkg",
+    "sphinx_runpython.quote",
     "sphinx_runpython.runpython",
     "sphinx_runpython.sphinx_rst_builder",
 ]
diff --git a/_unittests/ut_epkg/test_epkg_extension.py b/_unittests/ut_epkg/test_epkg_extension.py
index 3a2ccf9..d9e9185 100644
--- a/_unittests/ut_epkg/test_epkg_extension.py
+++ b/_unittests/ut_epkg/test_epkg_extension.py
@@ -24,11 +24,7 @@ def test_epkg_module(self):
             "                    ", ""
         )
         content = content.replace('u"', '"')
-
-        html = rst2html(
-            content,
-            writer_name="rst",
-        )
+        html = rst2html(content, writer_name="rst")
 
         t1 = "abeforea"
         if t1 not in html:
diff --git a/_unittests/ut_quote/test_quote_extension.py b/_unittests/ut_quote/test_quote_extension.py
new file mode 100644
index 0000000..b49db17
--- /dev/null
+++ b/_unittests/ut_quote/test_quote_extension.py
@@ -0,0 +1,454 @@
+import unittest
+from sphinx_runpython.process_rst import rst2html
+from sphinx_runpython.ext_test_case import ExtTestCase
+
+
+class TestQuoteExtension(ExtTestCase):
+    def test_quote(self):
+        content = """
+                    .. quote::
+                        :author: auteur
+                        :book: livre titre
+                        :lid: label1
+                        :pages: 234
+                        :year: 2018
+
+                        this code should appear___
+
+                    next
+                    """.replace(
+            "                    ", ""
+        )
+        content = content.replace('u"', '"')
+
+        html = rst2html(
+            content,
+            writer_name="html",
+            keep_warnings=True,
+            extlinks={"issue": ("http://%s", "_issue_%s")},
+        )
+
+        t1 = "this code should appear"
+        if t1 not in html:
+            raise AssertionError(html)
+        if "auteur" not in html:
+            raise AssertionError(html)
+        if "livre titre" not in html:
+            raise AssertionError(html)
+        if "234" not in html:
+            raise AssertionError(html)
+
+        rst = rst2html(
+            content,
+            writer_name="rst",
+            keep_warnings=True,
+            extlinks={"issue": ("http://%s", "_issue_%s")},
+        )
+
+        t1 = "this code should appear"
+        if t1 not in rst:
+            raise AssertionError(rst)
+        if "auteur" not in rst:
+            raise AssertionError(rst)
+        if "livre titre" not in rst:
+            raise AssertionError(rst)
+        if "234" not in rst:
+            raise AssertionError(rst)
+        if ".. quote::" not in rst:
+            raise AssertionError(rst)
+        if ":author: auteur" not in rst:
+            raise AssertionError(rst)
+
+    def test_quote_manga(self):
+        content = """
+                    .. quote::
+                        :author: auteur
+                        :manga: manga titre
+                        :lid: label1
+                        :pages: 234
+                        :year: 2018
+
+                        this code should appear___
+
+                    next
+                    """.replace(
+            "                    ", ""
+        )
+        content = content.replace('u"', '"')
+
+        html = rst2html(
+            content,
+            writer_name="html",
+            keep_warnings=True,
+            extlinks={"issue": ("http://%s", "_issue_%s")},
+        )
+
+        t1 = "this code should appear"
+        if t1 not in html:
+            raise AssertionError(html)
+        if "auteur" not in html:
+            raise AssertionError(html)
+        if "manga titre" not in html:
+            raise AssertionError(html)
+        if "234" not in html:
+            raise AssertionError(html)
+
+        rst = rst2html(
+            content,
+            writer_name="rst",
+            keep_warnings=True,
+            extlinks={"issue": ("http://%s", "_issue_%s")},
+        )
+
+        t1 = "this code should appear"
+        if t1 not in rst:
+            raise AssertionError(rst)
+        if "auteur" not in rst:
+            raise AssertionError(rst)
+        if "manga titre" not in rst:
+            raise AssertionError(rst)
+        if "234" not in rst:
+            raise AssertionError(rst)
+        if ".. quote::" not in rst:
+            raise AssertionError(rst)
+        if ":author: auteur" not in rst:
+            raise AssertionError(rst)
+
+    def test_quote_film(self):
+        content = """
+                    .. quote::
+                        :author: auteur
+                        :film: film titre
+                        :lid: label1
+                        :pages: 234
+                        :year: 2018
+
+                        this code should appear___
+
+                    next
+                    """.replace(
+            "                    ", ""
+        )
+        content = content.replace('u"', '"')
+
+        html = rst2html(
+            content,
+            writer_name="html",
+            keep_warnings=True,
+            extlinks={"issue": ("http://%s", "_issue_%s")},
+        )
+
+        t1 = "this code should appear"
+        if t1 not in html:
+            raise AssertionError(html)
+        if "auteur" not in html:
+            raise AssertionError(html)
+        if "film titre" not in html:
+            raise AssertionError(html)
+        if "234" not in html:
+            raise AssertionError(html)
+
+        rst = rst2html(
+            content,
+            writer_name="rst",
+            keep_warnings=True,
+            extlinks={"issue": ("http://%s", "_issue_%s")},
+        )
+
+        t1 = "this code should appear"
+        if t1 not in rst:
+            raise AssertionError(rst)
+        if "auteur" not in rst:
+            raise AssertionError(rst)
+        if "film titre" not in rst:
+            raise AssertionError(rst)
+        if "234" not in rst:
+            raise AssertionError(rst)
+        if ".. quote::" not in rst:
+            raise AssertionError(rst)
+        if ":author: auteur" not in rst:
+            raise AssertionError(rst)
+
+    def test_quote_show(self):
+        content = """
+                    .. quote::
+                        :author: auteur
+                        :show: show titre
+                        :lid: label1
+                        :pages: 234
+                        :year: 2018
+                        :title1: true
+
+                        this code should appear___
+
+                    next
+                    """.replace(
+            "                    ", ""
+        )
+        content = content.replace('u"', '"')
+
+        html = rst2html(
+            content,
+            writer_name="html",
+            keep_warnings=True,
+            extlinks={"issue": ("http://%s", "_issue_%s")},
+        )
+
+        t1 = "this code should appear"
+        if t1 not in html:
+            raise AssertionError(html)
+        if "auteur" not in html:
+            raise AssertionError(html)
+        if "show titre" not in html:
+            raise AssertionError(html)
+        if "234" not in html:
+            raise AssertionError(html)
+
+        rst = rst2html(
+            content,
+            writer_name="rst",
+            keep_warnings=True,
+            extlinks={"issue": ("http://%s", "_issue_%s")},
+        )
+
+        t1 = "this code should appear"
+        if t1 not in rst:
+            raise AssertionError(rst)
+        if "auteur" not in rst:
+            raise AssertionError(rst)
+        if "show titre" not in rst:
+            raise AssertionError(rst)
+        if "234" not in rst:
+            raise AssertionError(rst)
+        if ".. quote::" not in rst:
+            raise AssertionError(rst)
+        if ":author: auteur" not in rst:
+            raise AssertionError(rst)
+
+    def test_quote_comic(self):
+        content = """
+                    .. quote::
+                        :author: auteur
+                        :comic: comic titre
+                        :lid: label1
+                        :pages: 234
+                        :year: 2018
+                        :title1: true
+
+                        this code should appear___
+
+                    next
+                    """.replace(
+            "                    ", ""
+        )
+        content = content.replace('u"', '"')
+
+        html = rst2html(
+            content,
+            writer_name="html",
+            keep_warnings=True,
+            extlinks={"issue": ("http://%s", "_issue_%s")},
+        )
+
+        t1 = "this code should appear"
+        if t1 not in html:
+            raise AssertionError(html)
+        if "auteur" not in html:
+            raise AssertionError(html)
+        if "comic titre" not in html:
+            raise AssertionError(html)
+        if "234" not in html:
+            raise AssertionError(html)
+
+        rst = rst2html(
+            content,
+            writer_name="rst",
+            keep_warnings=True,
+            extlinks={"issue": ("http://%s", "_issue_%s")},
+        )
+
+        t1 = "this code should appear"
+        if t1 not in rst:
+            raise AssertionError(rst)
+        if "auteur" not in rst:
+            raise AssertionError(rst)
+        if "comic titre" not in rst:
+            raise AssertionError(rst)
+        if "234" not in rst:
+            raise AssertionError(rst)
+        if ".. quote::" not in rst:
+            raise AssertionError(rst)
+        if ":author: auteur" not in rst:
+            raise AssertionError(rst)
+
+    def test_quote_disc(self):
+        content = """
+                    .. quote::
+                        :author: auteur
+                        :disc: disc titre
+                        :lid: label1
+                        :pages: 234
+                        :year: 2018
+                        :title1: true
+
+                        this code should appear___
+
+                    next
+                    """.replace(
+            "                    ", ""
+        )
+        content = content.replace('u"', '"')
+
+        html = rst2html(
+            content,
+            writer_name="html",
+            keep_warnings=True,
+            extlinks={"issue": ("http://%s", "_issue_%s")},
+        )
+
+        t1 = "this code should appear"
+        if t1 not in html:
+            raise AssertionError(html)
+        if "auteur" not in html:
+            raise AssertionError(html)
+        if "disc titre" not in html:
+            raise AssertionError(html)
+        if "234" not in html:
+            raise AssertionError(html)
+
+        rst = rst2html(
+            content,
+            writer_name="rst",
+            keep_warnings=True,
+            extlinks={"issue": ("http://%s", "_issue_%s")},
+        )
+
+        t1 = "this code should appear"
+        if t1 not in rst:
+            raise AssertionError(rst)
+        if "auteur" not in rst:
+            raise AssertionError(rst)
+        if "disc titre" not in rst:
+            raise AssertionError(rst)
+        if "234" not in rst:
+            raise AssertionError(rst)
+        if ".. quote::" not in rst:
+            raise AssertionError(rst)
+        if ":author: auteur" not in rst:
+            raise AssertionError(rst)
+
+    def test_quote_ado(self):
+        content = """
+                    .. quote::
+                        :author: auteur
+                        :ado: ado titre
+                        :lid: label1
+                        :pages: 234
+                        :year: 2018
+                        :title1: true
+
+                        this code should appear___
+
+                    next
+                    """.replace(
+            "                    ", ""
+        )
+        content = content.replace('u"', '"')
+
+        html = rst2html(
+            content,
+            writer_name="html",
+            keep_warnings=True,
+            extlinks={"issue": ("http://%s", "_issue_%s")},
+        )
+
+        t1 = "this code should appear"
+        if t1 not in html:
+            raise AssertionError(html)
+        if "auteur" not in html:
+            raise AssertionError(html)
+        if "ado titre" not in html:
+            raise AssertionError(html)
+        if "234" not in html:
+            raise AssertionError(html)
+
+        rst = rst2html(
+            content,
+            writer_name="rst",
+            keep_warnings=True,
+            extlinks={"issue": ("http://%s", "_issue_%s")},
+        )
+
+        t1 = "this code should appear"
+        if t1 not in rst:
+            raise AssertionError(rst)
+        if "auteur" not in rst:
+            raise AssertionError(rst)
+        if "ado titre" not in rst:
+            raise AssertionError(rst)
+        if "234" not in rst:
+            raise AssertionError(rst)
+        if ".. quote::" not in rst:
+            raise AssertionError(rst)
+        if ":author: auteur" not in rst:
+            raise AssertionError(rst)
+
+    def test_quote_child(self):
+        content = """
+                    .. quote::
+                        :author: auteur
+                        :child: child titre
+                        :lid: label1
+                        :pages: 234
+                        :year: 2018
+                        :title1: true
+
+                        this code should appear___
+
+                    next
+                    """.replace(
+            "                    ", ""
+        )
+        content = content.replace('u"', '"')
+
+        html = rst2html(
+            content,
+            writer_name="html",
+            keep_warnings=True,
+            extlinks={"issue": ("http://%s", "_issue_%s")},
+        )
+
+        t1 = "this code should appear"
+        if t1 not in html:
+            raise AssertionError(html)
+        if "auteur" not in html:
+            raise AssertionError(html)
+        if "child titre" not in html:
+            raise AssertionError(html)
+        if "234" not in html:
+            raise AssertionError(html)
+
+        rst = rst2html(
+            content,
+            writer_name="rst",
+            keep_warnings=True,
+            extlinks={"issue": ("http://%s", "_issue_%s")},
+        )
+
+        t1 = "this code should appear"
+        if t1 not in rst:
+            raise AssertionError(rst)
+        if "auteur" not in rst:
+            raise AssertionError(rst)
+        if "child titre" not in rst:
+            raise AssertionError(rst)
+        if "234" not in rst:
+            raise AssertionError(rst)
+        if ".. quote::" not in rst:
+            raise AssertionError(rst)
+        if ":author: auteur" not in rst:
+            raise AssertionError(rst)
+
+
+if __name__ == "__main__":
+    unittest.main()
diff --git a/pyproject.toml b/pyproject.toml
index f2b58ae..9fb2861 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -14,6 +14,7 @@ ignore_directives = [
     "image-sg",
     "mathdef",
     "mathdeflist",
+    "quote",
     "runpython",
 ]
 ignore_roles = ["epkg"]
diff --git a/sphinx_runpython/process_rst.py b/sphinx_runpython/process_rst.py
index da9e176..fef858d 100644
--- a/sphinx_runpython/process_rst.py
+++ b/sphinx_runpython/process_rst.py
@@ -26,6 +26,7 @@
     "sphinx_runpython.docassert",
     "sphinx_runpython.epkg",
     "sphinx_runpython.runpython",
+    "sphinx_runpython.quote",
     "sphinx_runpython.sphinx_rst_builder",
 ]
 
diff --git a/sphinx_runpython/quote/__init__.py b/sphinx_runpython/quote/__init__.py
new file mode 100644
index 0000000..483609b
--- /dev/null
+++ b/sphinx_runpython/quote/__init__.py
@@ -0,0 +1,3 @@
+from .sphinx_quote_extension import setup
+
+__all__ = ["setup"]
diff --git a/sphinx_runpython/quote/sphinx_quote_extension.py b/sphinx_runpython/quote/sphinx_quote_extension.py
new file mode 100644
index 0000000..caee27f
--- /dev/null
+++ b/sphinx_runpython/quote/sphinx_quote_extension.py
@@ -0,0 +1,331 @@
+# -*- coding: utf-8 -*-
+from docutils import nodes
+from docutils.parsers.rst import directives
+
+import sphinx
+from sphinx.locale import _
+from docutils.parsers.rst.directives.admonitions import BaseAdmonition
+from docutils.statemachine import StringList
+from sphinx.util.nodes import nested_parse_with_titles
+from ..language import TITLES
+
+
+class quote_node(nodes.admonition):
+    """
+    Defines ``quote`` node.
+    """
+
+    pass
+
+
+class QuoteNode(BaseAdmonition):
+    """
+    A ``quotedef`` entry, displayed in the form of an admonition.
+    It takes the following options:
+
+    * *author*
+    * *book* or *manga* or *film* or *show* or *disc* or
+      *comic* or *child* or *ado*
+    * *year*
+    * *pages*
+    * *tag*
+    * *source*
+    * *lid* or *label*
+    * *index*, additional index words beside the title and the author
+    * *date*, if the text was written or declared at specific date
+    * *title1*, by default, the author comes first, if True, the title is
+
+    Example::
+
+        .. quote::
+            :author: author
+            :book: book
+            :year: year
+            :pages: pages (optional)
+            :tag: something
+            :lid: id (used for further reference)
+            :source: optional
+            :index: word
+
+            A monkey could...
+    """
+
+    node_class = quote_node
+    has_content = True
+    required_arguments = 0
+    optional_arguments = 0
+    final_argument_whitespace = False
+    option_spec = {
+        "author": directives.unchanged,
+        "book": directives.unchanged,
+        "manga": directives.unchanged,
+        "disc": directives.unchanged,
+        "ado": directives.unchanged,
+        "child": directives.unchanged,
+        "comic": directives.unchanged,
+        "show": directives.unchanged,
+        "film": directives.unchanged,
+        "year": directives.unchanged,
+        "pages": directives.unchanged,
+        "tag": directives.unchanged,
+        "lid": directives.unchanged,
+        "label": directives.unchanged,
+        "source": directives.unchanged,
+        "class": directives.class_option,
+        "index": directives.unchanged,
+        "date": directives.unchanged,
+        "title1": directives.unchanged,
+    }
+
+    def run(self):
+        """
+        Builds the mathdef text.
+        """
+        env = (
+            self.state.document.settings.env
+            if hasattr(self.state.document.settings, "env")
+            else None
+        )
+        docname = None if env is None else env.docname
+        if docname is not None:
+            docname = docname.replace("\\", "/").split("/")[-1]
+        language_code = (
+            self.state.document.settings.language_code
+            if hasattr(self.state.document.settings, "language_code")
+            else "en"
+        )
+
+        if not self.options.get("class"):
+            self.options["class"] = ["admonition-quote"]
+
+        # body
+        (quote,) = super(QuoteNode, self).run()
+        if isinstance(quote, nodes.system_message):
+            return [quote]  # pragma: no cover
+
+        # mid
+        tag = self.options.get("tag", "quotetag").strip()
+        if len(tag) == 0:
+            raise ValueError("tag is empty")  # pragma: no cover
+
+        def __(text):
+            if text:
+                return _(text)
+            return ""
+
+        # book
+        author = __(self.options.get("author", "").strip())
+        book = __(self.options.get("book", "").strip())
+        manga = __(self.options.get("manga", "").strip())
+        comic = __(self.options.get("comic", "").strip())
+        ado = __(self.options.get("ado", "").strip())
+        child = __(self.options.get("child", "").strip())
+        disc = __(self.options.get("disc", "").strip())
+        film = __(self.options.get("film", "").strip())
+        show = __(self.options.get("show", "").strip())
+        pages = __(self.options.get("pages", "").strip())
+        year = __(self.options.get("year", "").strip())
+        source = __(self.options.get("source", "").strip())
+        index = __(self.options.get("index", "").strip())
+        date = __(self.options.get("date", "").strip())
+        title1 = __(self.options.get("title1", "").strip()) in (
+            "1",
+            1,
+            "True",
+            True,
+            "true",
+        )
+
+        indexes = []
+        if index:
+            indexes.append(index)  # pragma: no cover
+
+        # add a label
+        lid = self.options.get("lid", self.options.get("label", None))
+        if lid:
+            tnl = ["", f".. _{lid}:", ""]
+        else:
+            tnl = []  # pragma: no cover
+
+        if title1:
+            if ado:
+                tnl.append(f"**{ado}**")
+            if child:
+                tnl.append(f"**{child}**")
+            if comic:
+                tnl.append(f"**{comic}**")
+            if disc:
+                tnl.append(f"**{disc}**")
+            if book:
+                tnl.append(f"**{book}**")
+            if manga:
+                tnl.append(f"**{manga}**")
+            if show:
+                tnl.append(f"**{show}**")
+            if film:
+                tnl.append(f"**{film}**")
+            if author:
+                tnl.append(f"*{author}*, ")
+        else:
+            if author:
+                tnl.append(f"**{author}**, ")
+            if ado:
+                tnl.append(f"*{ado}*")
+            if child:
+                tnl.append(f"*{child}*")
+            if comic:
+                tnl.append(f"*{comic}*")
+            if disc:
+                tnl.append(f"*{disc}*")
+            if book:
+                tnl.append(f"*{book}*")
+            if manga:
+                tnl.append(f"*{manga}*")
+            if show:
+                tnl.append(f"*{show}*")
+            if film:
+                tnl.append(f"*{film}*")
+
+        if author:
+            indexes.append(author)
+            indexes.append(TITLES[language_code]["author"] + "; " + author)
+        if ado:
+            indexes.append(ado)
+            indexes.append(TITLES[language_code]["ado"] + "; " + ado)
+        if child:
+            indexes.append(child)
+            indexes.append(TITLES[language_code]["child"] + "; " + child)
+        if comic:
+            indexes.append(comic)
+            indexes.append(TITLES[language_code]["comic"] + "; " + comic)
+        if disc:
+            indexes.append(disc)
+            indexes.append(TITLES[language_code]["disc"] + "; " + disc)
+        if book:
+            indexes.append(book)
+            indexes.append(TITLES[language_code]["book"] + "; " + book)
+        if manga:
+            indexes.append(manga)
+            indexes.append(TITLES[language_code]["manga"] + "; " + manga)
+        if show:
+            indexes.append(show)
+            indexes.append(TITLES[language_code]["show"] + "; " + show)
+        if film:
+            indexes.append(film)
+            indexes.append(TITLES[language_code]["film"] + "; " + film)
+
+        if pages:
+            tnl.append(f", {pages}")
+        if date:
+            tnl.append(f" ({date})")
+        if year:
+            tnl.append(f" ({year})")
+        if source:
+            if source.startswith("http"):
+                tnl.append(f", `source <{source}>`_")
+            else:
+                tnl.append(f", {source}")
+        tnl.append("")
+        tnl.append(".. index:: " + ", ".join(indexes))
+        tnl.append("")
+
+        content = StringList(tnl)
+        content = content + self.content
+        node = quote_node()
+
+        try:
+            nested_parse_with_titles(self.state, content, node)
+        except Exception as e:  # pragma: no cover
+            from sphinx.util import logging
+
+            logger = logging.getLogger("blogpost")
+            logger.warning(
+                "[blogpost] unable to parse %r - %r - %r", author, book or manga, e
+            )
+            raise e
+
+        node["tag"] = tag
+        node["author"] = author
+        node["pages"] = pages
+        node["year"] = year
+        node["label"] = lid
+        node["source"] = source
+        node["book"] = book
+        node["manga"] = manga
+        node["disc"] = disc
+        node["comic"] = comic
+        node["ado"] = ado
+        node["child"] = child
+        node["film"] = film
+        node["show"] = show
+        node["index"] = index
+        node["content"] = "\n".join(self.content)
+        node["classes"] += ["quote"]
+
+        return [node]
+
+
+def visit_quote_node(self, node):
+    """
+    visit_quote_node
+    """
+    self.visit_admonition(node)
+
+
+def depart_quote_node(self, node):
+    """
+    depart_quote_node,
+    see https://github.com/sphinx-doc/sphinx/blob/master/sphinx/writers/html.py
+    """
+    self.depart_admonition(node)
+
+
+def visit_quote_node_rst(self, node):
+    """
+    visit_quote_node
+    """
+    self.new_state(0)
+    self.add_text(".. quote::")
+    for k, v in sorted(node.attributes.items()):
+        if k in ("content", "classes"):
+            continue
+        if v:
+            self.new_state(4)
+            self.add_text(f":{k}: {v}")
+            self.end_state(wrap=False, end=None)
+    self.add_text(self.nl)
+    self.new_state(4)
+    self.add_text(node["content"])
+    self.end_state()
+    self.end_state()
+    raise nodes.SkipNode
+
+
+def depart_quote_node_rst(self, node):
+    """
+    depart_quote_node,
+    see https://github.com/sphinx-doc/sphinx/blob/master/sphinx/writers/html.py
+    """
+    pass
+
+
+def setup(app):
+    """
+    setup for ``mathdef`` (sphinx)
+    """
+    if hasattr(app, "add_mapping"):
+        app.add_mapping("quote", quote_node)
+
+    app.add_node(
+        quote_node,
+        html=(visit_quote_node, depart_quote_node),
+        epub=(visit_quote_node, depart_quote_node),
+        elatex=(visit_quote_node, depart_quote_node),
+        latex=(visit_quote_node, depart_quote_node),
+        text=(visit_quote_node, depart_quote_node),
+        md=(visit_quote_node, depart_quote_node),
+        rst=(visit_quote_node_rst, depart_quote_node_rst),
+    )
+
+    app.add_directive("quote", QuoteNode)
+    return {"version": sphinx.__display_version__, "parallel_read_safe": True}