If Ali says a mosquito can pull a plow, don't ask how. Hitch him up.

If my mind can conceive it, if my heart can believe it, then I can achieve it.

You could be the world's best garbage man, the world's best model; it don't matter what you do if you're the best.

I hated every minute of training, but I said, 'Don't quit. Suffer now and live the rest of your life as a champion.'

Rest but never quit. Even the sun has a sinking spell each evening. But it always rises the next morning. At sunrise, every soul is born again.

Religion should not be allowed to come into Politics....Religion is merely a matter between man and God.

I do not believe in taking the right decision, I take a decision and make it right.

Don't count the days, make the days count.

There are two powers in the world; one is the sword and the other is the pen. There is a great competition and rivalry between the two. There is a third power stronger than both, that of the women.

Even the greatest was once a beginner. Don't be afraid to take that first step.

Champions aren't made in the gyms. Champions are made from something they have deep inside them-a desire, a dream, a vision.

In the space between waves, we have the choice. To jump, to dive, to ride, to play. To face what's coming without running away.

Something I learned in the Marine Corps that I've applied to acting is, one, taking direction, and then working with a group of people to accomplish a mission and knowing your role within that team.

Mere heathen morality, and not Jesus Christ, is preached in most of our churches.

Everything will be difficult, if there's no dream

Liberty can no more exist without virtue and independence than the body can live and move without a soul.

I have no idea of the future -- never, ever. That's what I like about fashion. It's paradise now.

A proven theorem of game theory states that every game with complete information possesses a saddle point and therefore a solution.

There's a moment when you say, "Okay, I'm not going to become a dancer. I'm not going to become a painter." So in a sense, I ended up writing about those big conflicts that I felt.

The way is not always easy, but in order to bring a work through to completion, you will need a strong character, a broad foundation of knowledge and an enormous force of persuasion.

So, I am independently well-off and don't have to do anything, but I still do. I write books, lecture around the world, work with scientists and governments.