A long apprenticeship is the most logical way to success. The only alternative is overnight stardom, but I can't give you a formula for that.

The fact that the great scientist believed in flying machines was the one thing that encouraged us to begin our studies.

Do not go where the path may lead, go instead where there is no path and leave a trail.

I'm not telling you it's going to be easy - I'm telling you it's going to be worth it.

You need a little bit of insanity to do great things.

Always do what you are afraid to do.

No matter what people tell you, words and ideas can change the world.

I'd rather be an optimist and a fool than a pessimist and right.

I am always doing what I cannot do yet, in order to learn how to do it.

You have power over your mind - not outside events. Realize this, and you will find strength.

The way I see it, if you want the rainbow, you gotta put up with the rain.

Never stand begging for what one has the power to earn.

When you arise in the morning think of what a privilege it is to be alive, to think, to enjoy, to love ...

The man with no imagination has no wings.

You must find the place inside yourself where nothing is impossible.

Winning isn't everything but wanting to win is.

Be more concerned with your character than your reputation, because your character is what you really are, while your reputation is merely what others think you are.

Out of suffering have emerged the strongest souls; the most massive characters are seared with scars.

We cannot direct the wind, but we can adjust the sails.

The secret of genius is to carry the spirit of the child into old age, which means never losing your enthusiasm.

If you want creative workers, give them enough time to play.