If you don't dream, you might as well be dead.

Changing your nature is the hardest thing to do. But I discovered that you can be who you choose to be.

All the dogs I have are German shepherds from Germany, and I fly them back to Germany to show them.

Filling a need is not merely good business; it's a basic attitude towards life. If you see a need, do whatever you can to meet that need.

As an entrepreneur, don't follow the crowd; let them follow you.

I'm the world heavyweight champion. I consider myself a citizen of the whole world.

The boxing promotion part is really interesting, because I got the chance to do something with my sons. They carry their own weight, and I get a chance to listen to them and see what they have on their minds. I don't have to hand out things to do, and now they have things for me to do. It's an amazing privilege to get the opportunity to work with your children.