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Anything that gives us new knowledge gives us an opportunity to be more rational.

— Herbert Simon,American economist

The hour of departure has arrived, and we go our ways. I to die, and you to live. Which is better God only knows.

— Socrates, Classical Greek Philosopher 

Writing my own novels in the ’90s…I never imagined that in ten years, science and rationality would require explanation and defense in a world rocked and ruled by religious fervor.

— Mary Doria Russell, American Novelist

If you’re afraid – don’t do it, – if you’re doing it – don’t be afraid.

— Genghis Khan, Founder of the Mongol Empire

What counts now are the value-less facts, the material and the rational. All else is regarded with condescension as being of only sentimental value.

— Jean Gebser, Swiss Philosopher

I am heartened to find so much wit in you, that you’d give thought to consequences and choose your way with reason, not passion only.

— Deborah J. Lightfoot, The Wysard

Education is the most powerful weapon which you can use to change the world.

— Nelson Mandela, Former South African President

It is no small art to sleep: for that purpose you must keep awake all day.

— Friedrich Nietzsche, German philosopher

Every cause produces more than one effect.

— Herbert Spencer, English Philosopher

I think it is a mistake to judge science by Nobel Prizes.

— Venkatraman Ramakrishnan, Nobel Prize winning Structural Biologist
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