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I say quite deliberately that the Christian religion, as organized in its Churches, has been and still is the principal enemy of moral progress in the...more

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If there were in the world today any large number of people who desired their own happiness more than they desired the unhappiness of others, we could...more

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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 world is full of magical things patiently waiting for our wits to grow sharper.

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In the visible world, the Milky Way is a tiny fragment; within this fragment, the solar system is an infinitesimal speck, and of this speck our planet...more

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The secret to happiness is to face the fact that the world is horrible.

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Men are born ignorant, not stupid. They are made stupid by education.

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A stupid man's report of what a clever man says can never be accurate, because he unconsciously translates what he hears into something he can underst...more

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William James used to preach the 'will to believe.' For my part, I should wish to preach the 'will to doubt' ... what is wanted is not the will to bel...more

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I went to Russia a Communist; but contact with those who have no doubts has intensified a thousandfold my own doubts, not as to Communism in itself, b...more