There is no vaccine against stupidity.

I cannot conceive of a personal God who would directly influence the actions of individuals, or would directly sit in judgment on creatures of his own creation. I cannot do this in spite of the fact that mechanistic causality has, to a certain extent, been placed in doubt by modern science. My religiosity consists in a humble admiration of the infinitely superior spirit that reveals itself in the little that we, with our weak and transitory understanding, can comprehend of reality. Morality is of the highest importance - but for us, not for God.

When a man is sufficiently motivated, discipline will take care of itself.

A tyranny based on ... deception and maintained by terror must inevitably perish from the poison it generates within itself.

Not all things worth counting are countable and not all things that count are worth counting.

The world will not evolve past its current state of crisis by using the same thinking that created the situation.

There is no greater satisfaction for a just and well-meaning person than the knowledge that he has devoted his best energies to the service of the good cause.