Cassius Clay must be beaten and the Black Muslims' scourge removed from boxing.

I've learned so much, so very much about myself in defeat. I've learned very little to nothing in victory.

Cassius Clay must be beaten and the Black Muslims' scourge removed from boxing.

A prizefighter who gets knocked out or is badly outclassed suffers in a way he will never forget.

I've been knocked down more than any heavyweight champion in history.

It's easy to do anything in victory. It's in defeat that a man reveals himself.

I always say that in order to appreciate warm weather, you must experience cold. I wouldn't change one thing - all the embarrassing moments, the defeats, all of everything - through all of this, I have learned me.