The most valuable things in life are not measured in monetary terms. The really important things are not houses and lands, stocks and bonds, automobiles and real state, but friendships, trust, confidence, empathy, mercy, love and faith.

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Not to be absolutely certain is, I think, one of the essential things in rationality.

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Either man will abolish war, or war will abolish man.

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The whole problem with the world is that fools and fanatics are always so certain of themselves, and wiser people so full of doubts.

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To understand the actual world as it is, not as we should wish it to be, is the beginning of wisdom.

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Fear is the main source of superstition, and one of the main sources of cruelty. To conquer fear is the beginning of wisdom.

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The first step in a fascist movement is the combination under an energetic leader of a number of men who possess more than the average share of leisure, brutality, and stupidity. The next step is to fascinate fools and muzzle the intelligent, by emotional excitement on the one hand and terrorism on the other.

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Every great idea starts out as a blasphemy.

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When you want to teach children to think, you begin by treating them seriously when they are little, giving them responsibilities, talking to them candidly, providing privacy and solitude for them, and making them readers and thinkers of significant thoughts from the beginning. That’s if you want to teach them to think.

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The key to happiness is accepting one unpleasant reality every day.

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