He who is not courageous enough to take risks will accomplish nothing in life.

That man was beautiful. Timing, speed, reflexes, rhythm, his body, everything was beautiful. And to me, still, I would say pound for pound... I'd say I'm the greatest heavyweight of all time, but pound for pound, I still say Sugar Ray Robinson was the greatest of all time.

To be a great champion you must believe you are the best. If you’re not, pretend you are.

When I beat Sonny Liston, I shocked the world. When I joined the Muslims, I shocked the world. When I beat George Forman, I shocked the world. I am from the House of Shock

The worst man is the one who sees himself as the best.

True success is reaching our potential without compromising our values.

I want fifteen referees at this fight…because there ain’t no one man who can keep up with the pace I’m gonna set except me