A scientist is as weak and human as any man, but the pursuit of science may ennoble him even against his will.

Fertility is hereditary. If your parents didn't have any children, neither will you. I do not fear computers. I fear the lack of them.

I type 90 words per minute on the typewriter; I type 100 words per minute on the word processor. But, of course, I don't keep that up indefinitely - every once in a while I do have to think a few seconds.

It's the writing that teaches you.

It is always useful, you see, to subject the past life of reform politicians to rather inquisitive research.

An atom-blaster is a good weapon, but it can point both ways.

Uncertainty that comes from knowledge (knowing what you don't know) is different from uncertainty coming from ignorance.