"The department of chemistry [at Harvard] seemed to me to be rather uncooperative in that the different professors ran their own little groups...I just thought that I wouldn't feel at home there...."

"I believe that the future of humanity depends on our ability to cooperate and to solve the problems that confront us."

"I have always been a lover of nature, and I believe that we should all strive to protect our planet."

"Well, I thought, that's nice of the old guy to say that, but I'm a little skeptical myself. And as the years went by, I thought, I don't do the sort of work for which Nobel Prizes are given."

"I have always believed that it is possible to achieve peace through understanding."