- Life is an error-making and an error-correcting 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 {view}
- There is hope in dreams, imagination, and in the courage of those who wish to make those dreams a reality.... Jonas Salk {view}
- I have had dreams, and I've had nightmares. I overcame the nightmares because of my dreams.... Jonas Salk {view}