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."

"The polio vaccine has already saved more lives than the combined services of all medical specialties."

"Courage is the quality that guarantees all other qualities."

"I have to confess I'm not an educated man in the academic sense."

"When you inoculate children with a virus, you don't sleep well for two years."

"There is no such thing as an unimportant problem."

"The greatest tragedy could be the sundering of our Johnson & Johnson family."

"Fear is a powerful teacher."

"I am not concerned with how you pray. I'm concerned that you do."

"What is the greatest invention of the human mind?"

"The only way to define your limits is by going beyond them."

"Science is a way of thinking much more than it is a body of knowledge."

"You'll see it when you believe it."

"There is hope if people will begin to awaken that greater humanity everyone is capable of."

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

"Achievement is its own reward; but if you want to do really good work, you must do it for the love of work itself."

"The obligation of the physician is to cure sometimes, to relieve often, to comfort always."

"I have a modest life. I have a close family."

"Wisdom consists of knowing when you know and when you do not know."

"The only thing you can do to perpetuate the human species is to improve its genes."

"I feel that the greatest reward for doing is the opportunity to do more."

"When you inoculate children with a virus designed to protect them, you don't sleep."

"There is no such thing as failure only feedback."

"That which is comfortable is insidious."

"Life demands that you honor those commitments."

"The science of today is the technology of tomorrow."

"I'm going to be very honest. I don't think I'm smart enough to be complicated."