“What the country needs is dirtier fingernails and cleaner minds.”

“Ten men in our country could buy the whole world and ten million can't buy enough to eat.”

“Most men are about as happy as they make up their minds to be.”

“If you want to be successful, it's just this simple. Know what you are doing. Love what you are doing. And believe in what you are doing.”

“It's not what we don't know that hurts. It's what we know that ain't so.”

“The problem ain't what people know. It's what people know that ain't so that's the problem.”

“If pro is the opposite of con, what is the opposite of Congress?”