There have been poverty, pestilence, and famine, which were due to man's inadequate mastery of nature. There have been wars, oppressions and tortures which have been due to men's hostility to their fellow men.

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No rules, however wise, are a substitute for affection and tact.

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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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Nothing is so exhausting as indecision, and nothing is so futile.

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

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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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None of our beliefs are quite true; all have at least a penumbra of vagueness and error.

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

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Every great idea starts out as a blasphemy.

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If an opinion contrary to your own makes you angry, that is a sign that you are subconsciously aware of having no good reason for thinking as you do.

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