It would be possible to describe everything scientifically, but it would make no sense; it would be without meaning, as if you described a Beethoven symphony as a variation of wave pressure.

Teaching should be such that what is offered is perceived as a valuable gift and not as a hard duty.

A man should look for what is, and not for what he thinks should be.

Anger dwells only in the bosom of fools.

Everyone should be respected as an individual, but no one idolized.

He who can no longer pause to wonder and stand rapt in awe, is as good as dead; his eyes are closed.

Learn from yesterday, live for today, hope for tomorrow. The important thing is not to stop questioning.

Love is a better teacher than duty.

Not everything that can be counted counts, and not everything that counts can be counted.

No problem can be solved from the same level of consciousness that created it.

Once we accept our limits, we go beyond them.

You have to learn the rules of the game. And then you have to play better than anyone else.

Anyone who has never made a mistake has never tried anything new.

Peace cannot be kept by force. It can only be achieved by understanding.