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

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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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The fact that an opinion has been widely held is no evidence whatever that it is not utterly absurd.

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

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My first advice (on how not to grow old) would be to choose you ancestors carefully.

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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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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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Why repeat the old errors, if there are so many new errors to commit?

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If we spent half an hour every day in silent immobility, I am convinced that we should conduct all our affairs, personal, national, and international, far more sanely than we do at present.

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