"The man who has no imagination has no wings."

"Boxing is a lot of white men watching two black men beat each other up."

"I shook up the world! I shook up the world! I shook up the world!"

"I’m not the greatest, I'm the double greatest. Not only do I knock 'em out, I pick the round."

"I'm so fast that last night I turned off the light switch in my bedroom and was in bed before the room was dark."