Here's a question and a few possible answers:   Q: He didn't know what he believed, just that after all his studying it made since there was a what than man's brain? Possible A: culture, inspiration, higher intelligence, increasing knowledge, better grades  Why is "higher intelligence" an answer aligned with human common sense?
The answer to this question is:
higher intelligence believed, just that after all his studying it made since there was a what than man's brain