Correct some broken grammar / spelling / syntax / etc.

See https://duckduckgo.com/?q=english+grammar&ia=web ;
https://duckduckgo.com/?q=english+spelling&ia=web and for the lighter side:

* https://www.youtube.com/watch?v=8Gv0H-vPoDc

* https://shlomif.livejournal.com/53966.html

* http://i.imgur.com/HL1ZR.jpg .

lib/pages/t2/humour.tt2

@@ -3173,14 +3173,24 @@ what they are doing. That is because, among humans, sex appeal
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 <p>
-I'm probably not the first, but in order to help avoid dilute the
-meaning of <a href="https://en.wikipedia.org/wiki/Scientific_theory">"theory" in science</a>
-with its casual meaning of "hypothesis", I decided to
+I'm probably not the first, but in order to help avoid diluting the
+meaning of the word <a href="https://en.wikipedia.org/wiki/Scientific_theory">"theory" in its scientific context</a>
+with its casual meaning of a "hypothesis", I decided to
 follow <a href="https://en.wikipedia.org/wiki/Sheldon_Cooper">Dr. Sheldon Cooper's</a>
-lead and call non-proven suspicions "hypotheses" even when talking about
+lead and call such non-proven suspicions "hypotheses" even when talking about
 casual ones.
 </p>
 
+<p>
+It may sound funny now but <q>Comedy is simply a funny way of being
+serious.</q> to quote <a
+href="https://en.wikiquote.org/wiki/Peter_Ustinov">Peter Ustinov</a>.  I have a
+hypothesis (ha!) that <a href="[% base_path
+%]humour/image-macros/#standup_philosopher">large parts of the Hebrew Bible and
+Grecko-Roman Philosophy</a> were funny back then, only now they are considered
+gospel, appalling, or obvious.
+</p>
+
 [%- END -%]
 </div>