Those who promise us paradise on earth never produced anything but a hell.
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Philosophers should consider the fact that the greatest happiness principle can easily be made an excuse for a benevolent dictatorship. We should replace it by a more modest and more realistic principle -- the principle that the fight against avoidable misery should be a recognized aim of public policy, while the increase of happiness should be left, in the main, to private initiative.
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Science may be described as the art of systematic over-simplification.
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Good tests kill flawed theories; we remain alive to guess again.
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