Nothing happens til something moves.
Infinite striving to be the best is man's duty; It is its own reward. Everything else is in god's hands. It's not that I'm so smart, it's just that I stay with problems longer.
Conviction is a good motive, but a bad judge.
Nationalism is the measels of mankind.
He who cherishes the value of cultures cannot fail to be a pacifist.
Blind belief in authority is the greatest enemy of truth.