You never fail until you stop trying.

We sleep 1/3 of our lives away.

In my relativity theory I set up a clock at every point in space, but in reality I find it difficult to provide even one clock in my room.

Nothing is more destructive of respect for the government and the law of the land than passing laws which cannot be enforced.

The Revolution introduced me to art, and in turn, art introduced me to the Revolution!

You are right in speaking of the moral foundations of science, but you cannot turn around and speak of the scientific foundations of morality.

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.