Crossword puzzle clue "act like an expert without being one"

Act like an expert without being one

Answer to the riddle "What has rivers without water, forests without trees, and cities without houses?"

Roman orator who said "A room without books is like a body without a soul"

Kids' character who says "A day without a friend is like a pot without a single drop of honey left inside"

He might say "A day without you is like a day without sunshine"

Act on ___ (respond to being challenged): 2 wds.

Act of being born

Being reluctant to act