Convince

"A small knowledge of human nature will convince us, that, with far the greatest part of mankind, interest is the governing principle; and that almost every man is more or less, under its influence."

"A slender acquaintance with the world must convince every man that actions, not words, are the true criterion of the attachment of friends."

"The good Lord gave you a body that can stand most anything. It's your mind you have to convince."

"Convince your enemy that he will gain very little by attacking you; this will diminish his enthusiasm."

"If you would convince a man that he does wrong, do right. But do not care to convince him. Men will believe what they see. Let them see."

"If people are their deepest thoughts and darkest secrets, I’m convinced that no one really knows anybody."

"It's easier to fool people than to convince them that they have been fooled."