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And if there were a God, I think it very unlikely that He would have such an uneasy vanity as to be offended by those who doubt His existence

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It is evident as a matter of logic that, since they (world religions) disagree, not more than one of them can be true.

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I am sometimes shocked by the blasphemies of those who think themselves pious--for instance, the nuns who never take a bath without wearing a bathrobe...more

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Science tells us what we can know, but what we can know is little, and if we forget how much we cannot know we become insensitive to many things of ve...more

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When you come to look into this argument from design, it is a most astonishing thing that people can believe that this world, with all the things that...more

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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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Two things are to be remembered: that a man whose opinions and theories are worth studying may be presumed to have had some intelligence, but that no ...more

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It is a curious and painful fact that almost all the completely futile treatments that have been believed in during the long history of medical folly ...more

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In this lies Man's true freedom: in determination to worship only the God created by our own love of the good.

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I am myself a dissenter from all known religions, and I hope that every kind of religious belief will die out. I do not believe that, on the balance, ...more

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A strange mystery it is that Nature, omnipotent but blind, in the revolutions of her secular hurryings through the abysses of space, has brought forth...more

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Conquer the world by intelligence, and not merely by being slavishly subdued by the terror that comes from it.

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It is true that the modern Christian is less robust, but that is not thanks to Christianity; it is thanks to the generations of freethinkers, who from...more

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Science can teach us, and I think our hearts can teach us, no longer to look around for imaginary supporters, no longer to invent allies in the sky, b...more

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It is possible that mankind is on the threshold of a golden age; but, if so, it will be necessary first to slay the dragon that guards the door, and t...more