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Logic is like the sword–those who appeal to it shall perish by it.

— Samuel Butler, English Author

Science is what we have learned about how to keep from fooling ourselves.

— Richard Feynman, American Theoretical Physicist

The deepest sin against the human mind is to believe things without evidence.

— Thomas Hexley, English Biologist

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

Man once surrendering his reason, has no remaining guard against absurdities the most monstrous, and like a ship without rudder, is the sport of every wind.

— Thomas Jefferson, Former US President

Time and space are modes by which we think and not conditions in which we live.

— Albert Einstein, Theoretical Physicist

What, therefore, is a government at its best? It is a government that “governs” least and instead finds ways to mobilise the energies of our people.

— Vikram Sarabhai, Indian Scientist

That which can be asserted without evidence, can be dismissed without evidence.

— Christopher Hitchens, Author

Give a girl an education and introduce her properly into the world, and ten to one but she has the means of settling well, without further expense to anybody.

— Jane Austen, English Novelist

It is the mark of an educated mind, to entertain a thought without accepting it.

— Aristotle, Greek Philosopher and Scientist
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