I see the triumph of good over evil as a manifestation of the error–correcting process of evolution. — Jonas Salk

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. — Jonas Salk

Life is an error–making and an error–correcting process. — Jonas Salk

I think of evolution as an error–making and error–correcting process, and we are constantly learning from experience. — Jonas Salk

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. — Jonas Salk

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

Nothing happens quite by chance. It’s a question of accretion of information and experience. — Jonas Salk

Wisdom: It’s something that you know when you see it. You can recognize it, you can experience it. I have defined wisdom as the capacity to make judgments that when looked back upon will seem to have been wise. — Jonas Salk

I feel that the greatest reward for doing is the opportunity to do more. — Jonas Salk

If all insects disappeared, all life on earth would perish. If all humans disappeared, all life on earth would flourish. — Jonas Salk

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 job. I do what I feel impelled to do, as an artist would. — Jonas Salk

Charlotte’s Web Life is magic, the way nature works seems to be quite magical. — Jonas Salk

If all the insects were to disappear from the earth, within 50 years all life on earth would end. If all human beings disappeared from the earth, within 50 years all forms of life would flourish. — Jonas Salk

Hope lies in dreams, in imagination and in the courage of those who dare to make dreams into reality. — Jonas Salk

I overcame the nightmares because of my dreams. — Jonas Salk

There is hope in dreams, imagination, and in the courage of those who wish to make those dreams a reality. — Jonas Salk

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. — Jonas Salk

Your dreams tell you what to do; your reason tells you how to do it. — Jonas Salk

I have had dreams, and I’ve had nightmares. I overcame the nightmares because of my dreams. — Jonas Salk