Any power must be an enemy of mankind which enslaves the individual by power and by force, whether it arises under the Fascist or the Communist flag. All that is valuable in human society depends upon the opportunity for development accorded to the individual.

I never teach my pupils, I only attempt to provide the conditions in which they can learn.

The unleashed power of the atom has changed everything except our thinking. Thus, we are drifting toward catastrophe beyond conception. We shall require a substantially new manner of thinking if mankind is to survive.

Try not to become a man of success, but a man of value. Look around at how people want to get more out of life than they put in. A man of value will give more than he receives. Be creative, but make sure that what you create is not a curse for mankind.

I didn't arrive at my understanding of the fundamental laws of the universe through my rational mind.

The word God is for me nothing more than the expression and product of human weaknesses.

Time does not exist - we invented it