"Joe Frazier is so ugly that when..." - Quote by Muhammad Ali

“Brooding over blunders is the biggest blunder.”

“When you're right, nobody remembers. When you're wrong, nobody forgets.”

“I think we're all brothers - that's the truth. But the press gave us the name black Muslims to cut us off from the others.”

“The truth is, Pavlov's dog trained Pavlov to ring this bell just before the dog salivated.”

“I'm searching for loopholes.”

“I will laugh at the world. And most of all, I will laugh at myself for man is most comical when he takes himself too seriously.”

“When I see a spade, I call it a spade. I'm glad to say I have never seen a spade. The man who would call a spade a spade should be compelled to use it. It's the only thing he's fit for.”

“The admission fee was a viper's tongue and a half-concealed stiletto. It was a sort of intellectual slaughterhouse.”

“A physician is one who pours drugs of which he knows little into a body of which he knows less.”