I have come to recognize evolution not only as an active process that I am experiencing at the time, but as something I can guide by the choices I make.

Are we being good ancestors?

What is … important is that we — number one: Learn to live with each other. Number two: try to bring out the best in each other. The best from the best, and the best from those who, perhaps, might not have the same endowment. And so this bespeaks an entirely different philosophy — a different way of life — a different kind of relationship — where the object is not to put down the other, but to raise up the other.

My ambition was to bring to bear on medicine a chemical approach. I did that by chemical manipulation of viruses and chemical ways of thinking in biomedical research.

Life is an error-making and an error-correcting process.

[Who owns the patent on this vaccine?] Well, the people, I would say. There is no patent. Could you patent the sun?

There is no such thing as failure, there's just giving up too soon.