God gave me Parkinson's syndrome to show me I'm not 'The Greatest' - he is.

Boxing is a stepping stone just to introduce me to the audience. If I was still in Louisville, Kentucky and never was a boxer I still might get killed next week in some kind of freedom struggle and you'd ever hear the news.

I've been on planes flying through thunder storms when the pilot says, 'ladies and gentlemen, we tried to fly around it but we can't so it's going to be rough'.And when a pilot says it's going to be bad, it's going to be rough. And you say to youself, boy, I could have got the train.

I would like to say that I am not an apostle of the Muslim religion.

Friendship is definitely the most difficult detail on the globe to elucidate. It is really not something you understand at school. But if you have not realized the which means of friendship, you truly have not realized anything.

I am the greatest. I said that even before I knew I was. Don't tell me I can't do something. Don't tell me it's impossible. Don't tell me I'm not the greatest. I'm the double greatest.

I can remember a couple of real fights when I ran. Because they were kinda dangerous.