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Religion is something left over from the infancy of our intelligence, it will fade away as we adopt reason and science as our guidelines.

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

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Men fear thought as they fear nothing else on earth -- more than ruin, more even than death. Thought is subversive and revolutionary, destructive and ...more