It is courage based on confidence, not daring, and it is confidence based on experience.

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

Life is an error-making and an error-correctin g process, and nature in marking man's papers will grade him for wisdom as measured both by survival and by the quality of life of those who survive.

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.

A wisdom deficit - fewer elders and even fewer people who listen to them.

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.

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