I fear not the man who has practiced 10,000 kicks once, but I fear the man who has practiced one kick 10,000 times.

A wise man can learn more from a foolish question than a fool can learn from a wise answer.

Defeat is a state of mind; No one is ever defeated until defeat has been accepted as a reality.

Do not pray for an easy life, pray for the strength to endure a difficult one.

Now I am become Death, the destroyer of worlds.

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

Two things are infinite: the universe and human stupidity; and I'm not sure about the universe.

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