It's the lack of faith that makes people afraid of meeting challenges, and I believe in myself. He who is not courageous enough to take risks will accomplish nothing in life. I figured that if I said it enough, I would convince the world that I really was the greatest.

I don't know how many millions I'll make, so I have to give some back to charity. God blesses me with the money, but only if I give some away.

Superman don't need no seat belt.

It all started to come together when I realized that boxing was how I was going to succeed in life.

It isn't the mountains that wear you out; it's the pebble in your shoe.

What I will remember most about Mr Mandela is that he was a man whose heart, soul and spirit could not be contained or restrained by racial and economic injustices, metal bars or the burden of hate and revenge.

Boxing's a rough sport. After every fight I rush to the mirror to make sure I'm presentable.