I speak to everyone in the same way, whether he is the garbage man or the president of the university.

Some men spend a lifetime in an attempt to comprehend the complexities of women. Others pre-occupy themselves with somewhat simpler tasks, such as understanding the theory of relativity!

Without changing our pattern of thought, we will not be able to solve the problems we created with our current patterns of thought

Nobody knows how the stand of our knowledge about the atom would be without him. Personally, [Niels] Bohr is one of the amiable colleagues I have met. He utters his opinions like one perpetually groping and never like one who believes himself to be in possession of the truth.

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.

God always takes the simplest way.

You can never solve a problem on the level on which it was created.