There is only one difference between a madman and me. The madman thinks he is sane. I know I am mad.

The greatness of a man is not in how much wealth he acquires, but in his integrity and his ability to affect those around him positively.

Parents wonder why the streams are bitter, when they themselves have poisoned the fountain.

In just six weeks from the time the design was started, we had the motor on the block testing its power.

All that spirits desire, spirits attain.

Liberty, according to my metaphysics is a self-determining power in an intellectual agent. It implies thought and choice and power.

Wisely, and slow. They stumble that run fast.

All of us have moments in our lives that test our courage. Taking children into a house with a white carpet is one of them.

All men are prepared to accomplish the incredible if their ideals are threatened.

All human actions have one or more of these seven causes: chance, nature, compulsion, habit, reason, passion, and desire.

He alone, who owns the youth, gains the future.

No matter how thin you slice it, there will always be two sides.

A good traveller has no fixed plans, and is not intent on arriving.

I like to think of myself at home in the armchair, writing, smoking and occasionally wandering down the shop.

We are all now connected by the Internet, like neurons in a giant brain.

All that you accomplish or fail to accomplish with your life is the direct result of your thoughts.

Sometimes glass glitters more than diamonds because it has more to prove.

To the young people I say, you are a gift to your communities and indeed the world. You are our hope and our future.

Everything beautiful has a mark of eternity.

If you've got them by the balls their hearts and minds will follow.

Self-esteem comes from being able to define the world in your own terms and refusing to abide by the judgments of others.