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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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The secret of happiness is this: let your interests be as wide as possible, and let your reactions to the things and persons that interest you be as f...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 fundamental cause of the trouble is that in the modern world the stupid are cocksure while the intelligent are full of doubt.

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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