When I worked on the polio vaccine, I had a theory. I guided each [experiment] by imagining myself in the phenomenon in… — Jonas Salk Copy Share Image
Hope lies in dreams, in imagination, and in the courage of those who dare to make dreams into reality. — Jonas Salk Copy Share Image
Nothing happens quite by chance. It's a question of accretion of information and experience. — Jonas Salk Copy Share Image
It is courage based on confidence, not daring, and it is confidence based on experience. — Jonas Salk Copy Share Image
When things get bad enough, then something happens to correct the course. And it's for that reason that I speak about evolution as an… — Jonas Salk Copy Share Image
Reply when questioned on the safety of the polio vaccine he developed: It is safe, and you can't get safer than safe. — Jonas Salk Copy Share Image
I have had dreams and I have had nightmares, but I have conquered my nightmares because of my dreams. — Jonas Salk Copy Share Image
My life is pretty well at peace, and the profession is more of an avocation. It's a calling, if you like, rather than a… — Jonas Salk Copy Share Image
As a child I was not interested in science. I was merely interested in things human, the human side of nature, if you like,… — Jonas Salk Copy Share Image
My ambition was to bring to bear on medicine a chemical approach. I did that by chemical manipulation of viruses and chemical ways of… — Jonas Salk Copy Share Image
The worst tragedy that could have befallen me was my success. I knew right away that I was through - cast out. — Jonas Salk Copy Share Image
