Cherish the questions, for the answers keep changing.

Between the difficulties, one hides the opportunity

It followed from the special theory of relativity that mass and energy are both but different manifestations of the same thing...

Nonsense, seems to sum up everything.

There is separation of colored people from white people in the United States. That separation is not a disease of colored people. It is a disease of white people. I do not intend to be quiet about it.

It is characteristic of the military mentality that non-human factors ... are held essential, while the human being, his desires and thoughts-in short, the psychological factors-are considered as unimportant and secondary.

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.