The greatest activity of which man is capable: Opening up yet another fragment of the frontier of beauty.

It is not so important where one settles down. The best thing is to follow your instincts without too much reflection.

My internal and external life depend so much on the work of others that I must make an extreme effort to give as much as I receive.

If I had known they were going to do this, I would have become a shoemaker.

Most people see what is, and never see what can be.

There two things that are infinite, human stupidity and the universe, I don't know about the universe

We will never be able to solve the problems of tomorrow with the thinking of today