The United States has got some of the dumbest people in the world. I want you to know that we know that.

You can never quit. Winners never quit, and quitters never win.

Every few seconds it changes - up an eighth, down an eighth - it's like playing a slot machine. I lose $20 million, I gain $20 million.

There's nothing wrong with being fired.

If you treat people with dignity, respect and friendliness, you can turn enemies into friends. An enemy is nothing but a friend in disguise.

Life is a game. Money is how we keep score.

You should set goals beyond your reach so you always have something to live for.

To be happy in this world, first you need a cell phone and then you need an airplane. Then you're truly wireless.

My son is now an 'entrepreneur.' That's what you're called when you don't have a job.

I'm no genius. I'm not at all; I just happen to look five or 10 years ahead and think things through.

It's going to cost trillions of dollars to rework the energy sources all over the world. Were going to have to move away from fossil fuels.

When a man sleeps he is shut up within the narrow activities of his physical life. He lives, but he knows not the varied relations of his life to his surroundings, - therefore he knows not himself.

I think there's a down-to-earthness with Midwesterners and with people from the Midlands - which is where my family is from - in Ireland.

In order to perform the supernatural, you must first be able to accomplish the supernormal.

You have to create circumstances where your first-tier leader knows what you are trying to accomplish, because he is the one who's going to get it done.

Whether it's a street poster on a brick wall, a magazine cover on a newsstand, or animation on a movie screen - art is an effective means of communicating with large numbers of people.

Feed sparingly and defy the physician.

I've gotten used to the point where I'm so used to being sweaty! I like to wear less makeup and be tougher!

Morals refine manners, as manners refine morals.

Please allow me to beckon ye, paramours!

Do it, fix it, try it.