There are two different conceptions about the nature of the universe: (1) the world as a unity dependent on humanity; (2) the world as a reality independent of the human factor.

A knowledge of the existence of something we cannot penetrate, of the manifestations of the profoundest reason and the most radiant beauty - it is this knowledge and this emotion that constitute the truly religious attitude; in this sense, and in this alone, I am a deeply religious man.

The conscientious objector is a revoultionary. On deciding to disobey the law he sacrifices his personal interests to the most important cause of working for the betterment of society.

Most people say that it is the intellect which makes a great scientist. They are wrong: it is character.

I believe in mystery and, frankly, I sometimes face this mystery with great fear. In other words, I think that there are many things in the universe that we cannot perceive or penetrate, and that also we experience some of the most beautiful things in life only in a very primitive form. Only in relation to these mysteries do I consider myself to be a religious man.

I regard class differences as contrary to justice and, in the last resort, based on force.

Don't let the measurable drive out the relevant