The central moral issue of science is that we do not have a science of peace and hardly know where to begin in building one.

I was a bad practicing physician because I was never sure of the diagnosis or of the treatment.

If it takes you 20 or 25 years to establish yourself in one field, you really ought to be careful not to stray too far.

I did get a very fine education, and not just in science. It took some pressure on the part of my elders to convince me that I really should take an interest in humanities.

I'm not easily inhibited by the fact that I don't know something about a subject. It doesn't stop me from dabbling in it.

By the time I was 12 or 13, I was studying biochemistry textbooks.

I got my Nobel Prize for my lab work.