It was eerie. I saw myself in that machine. I never thought my work would come to this.

If you decide you don't have to get A's, you can learn an enormous amount in college.

We gave you an atomic bomb, what do you want, mermaids ?

To me, science is an expression of the human spirit, which reaches every sphere of human culture. It gives an aim and meaning to existence as well as a knowledge, understanding, love, and admiration for the world. It gives a deeper meaning to morality and another dimension to esthetics.

As yet, if a man has no feeling for art he is considered narrow-minded, but if he has no feeling for science this is considered quite normal. This is a fundamental weakness.

I think physicists are the Peter Pans of the human race. They never grow up and they keep their curiosity.

My mother made me a scientist without ever intending to. Every other Jewish mother in Brooklyn would ask her child after school, So? Did you learn anything today? But not my mother. Izzy, she would say, did you ask a good question today? That difference - asking good questions - made me become a scientist.