We need to teach how doubt is not to be feared but welcomed. It's OK to say, "I don't know."

It is not unscientific to make a guess, although many people who are not in science think it is.

[B]eyond poverty, beyond the point that the material needs are reasonably satisfied, only from within is peace.

I do believe that there is a conflict between science and religion ... the spirit or attitude toward the facts is different in religion from what it is in science. The uncertainty that is necessary in order to appreciate nature is not easily correlated with the feeling of certainty in faith.

Science is the belief in the ignorance of experts.

The theoretical broadening which comes from having many humanities subjects on the campus is offset by the general dopiness of the people who study these things.

We are lucky to live in an age in which we are still making discoveries.