Strength does not come from physical capacity. It comes from an indomitable will.

It takes a lot of courage to show your dreams to someone else.

I don't know, I don't care, and it doesn't make any difference.

A man may imagine things that are false, but he can only understand things that are true.

We seldom realize, for example that our most private thoughts and emotions are not actually our own. For we think in terms of languages and images which we did not invent, but which were given to us by our society.

There is an art, or rather a knack to flying. The knack lies in learning how to throw yourself at the ground and miss.

All differences in this world are of degree, and not of kind, because oneness is the secret of everything.

I've never known any trouble than an hour's reading didn't assuage.

Those who cannot work with their hearts achieve but a hollow, half-hearted success that breeds bitterness all around.

There is geometry in the humming of the strings. There is music in the spacing of the spheres.

The place where you made your stand never mattered. Only that you were there...and still on your feet.

The most courageous act is still to think for yourself. Aloud.

He that cannot reason is a fool. He that will not is a bigot. He that dare not is a slave.

Your visions will become clear only when you can look into your own heart. Who looks outside, dreams; who looks inside, awakes.

Science is organized knowledge. Wisdom is organized life.

Yesterday is but today's memory and tomorrow is today's dream.

Be frank and explicit. That is the right line to take when you wish to conceal your own mind and to confuse the minds of others.

Challenges are gifts that force us to search for a new center of gravity. Don't fight them. Just find a new way to stand.

Admiration is the daughter of ignorance.

When you undervalue what you do, the world will undervalue who you are

Never put off for tomorrow, what you can do today.