Don't criticize what you can't understand.

Wonder is the beginning of wisdom.

Everything excellent is as difficult as it is rare.

Gravity is only the bark of wisdom's tree; but it preserves it

It is not enough to have a good mind; the main thing is to use it well.

Experience is the only prophecy of wise men.

Peace is not an absence of war, it is a virtue, a state of mind, a disposition for benevolence, confidence, justice.

Man is not the creature of circumstances, Circumstances are the creatures of men.

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

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

It is necessary to keep one's compass in one's eyes and not in the hand, for the hands execute, but the eye judges.

The heart has its reasons which reason knows not.

No one cares how much you know, until they know how much you care

I've learned that people will forget what you said, people will forget what you did, but people will never forget how you made them feel.

Achievement brings its own anticlimax.

At the center of your being you have the answer; you know who you are and you know what you want.

Do your little bit of good where you are; it's those little bits of good put together that overwhelm the world.

Be curious, not judgmental.

When prosperity comes, do not use all of it.

Colorless green ideas sleep furiously

Creativity is the process of having original ideas that have value.