The preservation of health is a duty. Few seem conscious tha... - Jonas Salk

"The preservation of health is a duty. Few seem conscious that there is such a thing as physical morality."

Jonas Salk Health

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."

"You can't expect to be happy if you're surrounded by mess."

"Health and happiness - these are true wealth"

"How can you live like this? It's like a pigsty!"

"You're going to get sick living like this."