Crossword puzzle clue "you never know"

"Demand me nothing: what you know, you know: From this time forth I never will speak word" is his last line

Church bells sound, I know, you wouldn't know as you're a heathen who's never stepped foot in a church before or even walked by one

"If you are always trying to be ___, you will never know how amazing you can be": Maya Angelou

Never, never, never

Goo Goo Dolls song that you probably know from the way John Rzeznik snarls "But you don't even know who I am"

"You know that it would be untrue, you know that I would be a ___"

"You never really know a man until you have divorced him" quipper

"Being a ___ fan is like lending someone a lot of money and you just know that you'll never get paid back." (John Oliver)