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Study without desire spoils the memory, and it retains nothing that it takes in.

— Leonardo da Vinci, Italian Renaissance Artist

If voting made any difference they wouldn’t let us do it.

— Mark Twain, American Writer

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

— Aristotle, Greek Philosopher and Scientist

Science cannot solve the ultimate mystery of nature. And that is because, in the last analysis, we ourselves are a part of the mystery we are trying to solve.

— Max Planck, German Theoretical Physicist

The test of a first rate intelligence is the ability to hold two opposed ideas in the mind at the same time, and still retain the ability to function.

— F. Scott Fitzgerald, American Writer

In a rational society we would want our presidents to be teachers. – In our actual society we insist they be cheerleaders.

— Steve Allen, Actor

The intuitive mind is a sacred gift – and the rational mind is a faithful servant. – We have created a society that honors the servant – and has forgotten the gift.

— Albert Einstein, Theoretical Physicist

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

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

— Christopher Hitchens, Author

You can buy my time and effort, but you have to earn my dedication.

— Aristotle, Greek Philosopher
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