Who said "A man's word is his bond, or it means nothing."?

This quote is attributed to Verbal Kint.

A man's word is his bond, or it means nothing. - Verbal Kint

"A man's word is his bond, or it means nothing."

Verbal Kint

"The greatest trick the Devil ever pulled was convincing the world he didn't exist."

"And like that... he's gone."

"Keaton always said, 'I don't believe in God, but I'm afraid of him.'"

"There's nothing more dangerous than a man with nothing to lose."