Crossword puzzle clue "first word my daughter will say if she knows what's good for her"

First word my daughter will say, if she knows what's good for her

Comedian who married Joyce Mathews in 1941, divorced her in 1947 and married her again in 1949 "because she reminded me of my first wife"

She had her first and only child in her 90s

"People say she's crazy, she got diamonds ___ of her shoes"

"Who knows what ___ lurks in the hearts of men? The Shadow knows!"

Who wrote "He who knows others is wise; he who knows himself is enlightened"

He knows he knows

The "she" in the lyric "She's a good old worker and a good old pal"