The measure of a life is not in its length, but in its contr... - Jonas Salk

"The measure of a life is not in its length, but in its contribution to others."

Jonas Salk Life

Virologist and Immunologist American 1914–1995

More from Jonas Salk

"The reward for work well done is the opportunity to do more."

"Life is an adventure in forgiveness."

"Hope lies in dreams, in imagination, in the courage of those who dare to try."

"Our greatest responsibility is to be good ancestors."

"Life is meant to be lived with passion."

"Life is what happens when you're busy making other plans."

"Life is a journey, not a destination."

"Life's too short for regrets."