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.

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

Courage is resistance to fear, mastery of fear - not absence of fear.

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.

A mistake is always forgivable, rarely excusable and always unacceptable.

Common sense is in spite of, not as the result of education.

Man is the only creature who refuses to be what he is.

Those who see the invisible can do the impossible.

Experience is merely the name men gave to their mistakes.

Just remember, once you're over the hill you begin to pick up speed.

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

Talent is God given. Be humble. Fame is man-given. Be grateful. Conceit is self-given. Be careful.

If we can really understand the problem, the answer will come out of it, because the answer is not separate from the problem.

Be silent or let thy words be worth more than silence.

To be wronged is nothing unless you continue to remember it.

Time flies over us, but leaves its shadow behind.

If a man could have half of his wishes, he would double his troubles.

We sometimes congratulate ourselves at the moment of waking from a troubled dream; it may be so the moment after death.

He who is slowest in making a promise is most faithful in its performance.

Intellectuals solve problems, geniuses prevent them.

All great achievements require time.