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I am interested in a phase that I think we are entering. I call it "teleological evolution," evolution with a purpose.

— Jonas Salk Academy of Achievement interview (1991)

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More quotes by Jonas Salk

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

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

I couldn't possibly have become a member of this institute if I hadn't founded it myself.

Our greatest responsibility is to be good ancestors.

Learning from the Future : Competitive Foresight Scenarios (1998)

Neither wisdom nor good will is now dominant. Hope lies in dreams, in imagination and in the courage of those who dare to make dreams into reality.

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If the fool would persist in his folly he would become wise.

William Blake The Marriage of Heaven and Hell (1790)

'The fool doth think he is wise, but the wise man knows himself to be a fool.'

William Shakespeare As You Like It (1599)

It takes extraordinary wisdom and self-control to accept that many things have a logic we do not understand that is smarter than our own.

Nassim Nicholas Taleb The Bed of Procrustes: Philosophical and Practical Aphorisms (2010)

Young men think old men are fools; but old men know young men are fools.

George Chapman All Fools (1605)

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Quote text and notes from Wikiquote: Jonas Salk (page history), available under CC BY-SA 4.0. Source quality and labels are our own summary of what Wikiquote records.