A human being is a part of the whole called by us universe; a part limited in time and space. He experiences himself, his thoughts, and his feelings as something separate from the rest - a kind of optical delusion of consciousness.

It is only men who are free, who create the inventions and intellectual works which to us moderns make life worth while.

The value of a college education is not the learning of many facts but the training of the mind to think

We can't solve today's problems with the mentality that created them.

I have always eaten animal flesh with a somewhat guilty conscience.

To dwell on the things that depress or anger us does not help in overcoming them. One must knock them down alone.

It's very depressing to live in a time where it's easier to break an atom than a prejudice.