I am a determinist. As such, I do not believe in free will...Practically, I am, nevertheless, compelled to act as if freedom of the will existed. If I wish to live in a civilized community, I must act as if man is a responsible being.

Study and, in general, the pursuit of truth and beauty is the sphere in which we are permitted to remain children all our lives." "Study and, in general, the pursuit of truth and beauty is the sphere in which we are permitted to remain children all our lives.

The ability to portray people in still life and in motion requires the highest measure of intuition and talent.

Solutions to tough problems should be made as simple as possible - and no simpler.

Our task must be to free ourselves by widening our circle of compassion to embrace all living creatures and the whole of nature and its beauty.

Brief is this existence, as a visit in a strange house. The path to be pursued is poorly lit by a flickering consciousness.

The ordinary adult never gives a thought to space-time problems ... I, on the contrary, developed so slowly that I did not begin to wonder about space and time until I was an adult. I then delved more deeply into the problem than any other adult or child would have done.