The greatest accomplishment is not in never falling, but in rising again after you fall.

If you put off everything till you're sure of it, you'll never get anything done.

I dream my painting and I paint my dream.

You got to get it while you can.

People throw stones at you and you convert them into milestones.

The present is theirs; the future, for which I really worked, is mine.

All wealth is the product of labor.

I'm sorry I wrote you such a long letter; I didn't have time to write a short one.

How long should you try? Until.

To go too far is as bad as to fall short.

Keep your face to the sunshine and you will never see the shadow.

I know in my heart that man is good, that what is right will always eventually triumph, and there is purpose and worth to each and every life.

If you're not prepared to be wrong, you'll never come up with anything original.

Man needs his difficulties because they are necessary to enjoy success.

First they ignore you, then they ridicule you, then they fight you, and then you win.

Don't ever take a fence down until you know why it was put up.

When I go, God's going to have to give up his favourite chair.

Pizza makes me think that anything is possible.

Isn't it astonishing that all these secrets have been preserved for so many years just so we could discover them!

We are citizens of the world. The tragedy of our times is that we do not know this.

Human dignity consists in the role we must play in our own perfection. Taking a role in our own self-completion is the highest expression of our creativity.