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.

Everybody has to learn for the first time.

A Swedish newspaper reporter called and said, You've been awarded the Prize. I was quite sure it was a practical joke.

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.

I certainly saw science as a kind of calling, and one with as much legitimacy as a religious calling.

I hope I've lived a life of science whose style will encourage younger people.

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