Edward R. Murrow: Who owns the patent on this vaccine? Jonas Salk: Well, the people, I would say. There is no patent. Could you patent the sun?
Some people are constructive, if you like. Others are destructive. It's this diversity in humankind that results in some making positive contributions and some negative contributions. It's necessary to have enough who make positive contributions to overcome the problems of each age.
My attitude was always to keep open, to keep scanning. I think that's how things work in nature. Many people are close-minded, rigid, and that's not my inclination.