Never tell all you know-not even to the person you know best.

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

The duty of youth is to challenge corruption.

I not only use all the brains that I have, but all that I can borrow.

You lose nothing when fighting for a cause ... In my mind the losers are those who don't have a cause they care about.

To attain the impossible, one must attempt the absurd.

Imagination is everything. It is the preview of life's coming attractions.

However many holy words you read, however many you speak, what good will they do you if you do not act on upon them?

What's the world's greatest lie?... It's this: that at a certain point in our lives, we lose control of what's happening to us, and our lives become controlled by fate.

It's always too early to quit.

As a child of God, I am greater than anything that can happen to me.

Everything you want is out there waiting for you to ask. Everything you want also wants you. But you have to take action to get it.

We are what we repeatedly do. Excellence, then, is not an act, but a habit.

Scar tissue is stronger than regular tissue. Realize the strength, move on.

To See a World in a Grain of Sand And a Heaven in a Wild Flower, Hold Infinity in the palm of your hand And Eternity in an hour.

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

I don't know who my grandfather was; I'm much more concerned to know what his grandson will be.

In a conflict between the heart and the brain, follow your heart.

A lot of people have gone further than they thought they could because someone else thought they could

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.

The men who have succeeded are men who have chosen one line and stuck to it.