We are trying to prove ourselves wrong as quickly as possible, because only in that way can we find progress.

Listen if you want to be heard

I don't like that man. I must get to know him better.

Find out what you really love to do, and then find a way to make a good living doing it.

Because ideas have to be original only with regard to their adaptation to the problem at hand, I am always extremely interested in how others have used them...

I never did a day's work in my life. It was all fun.

For a man to conquer himself is the first and noblest of all victories.

I don't want to achieve immortality through my work... I want to achieve it through not dying.

If youre in the luckiest one per cent of humanity, you owe it to the rest of humanity to think about the other 99 per cent.

No one ever is defeated until defeat has been accepted as a reality.

Tell the audience what you're going to say, say it; then tell them what you've said.

One must be sane to think clearly, but one can think deeply and be quite insane.

Never make excuses. Your friends don't need them and your foes won't believe them.

He who thinks little errs much

Develop success from failures. Discouragement and failure are two of the surest stepping stones to success.

This is the real secret of life - to be completely engaged with what you are doing in the here and now. And instead of calling it work, realize it is play.

Ability may get you to the top, but it takes character to keep you there.

I am thankful to all those who said NO to me. It's because of them I did it myself.

From each according to his abilities, to each according to his needs.

What one has to do usually can be done.

Deadlines just aren't real to me until I'm staring one in the face.