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The same trope was used by Heinlein in The Moon is a Harsh Mistress and used to explain why the population of the Moon had a higher average IQ. The title of the
by stcredzero 8y ago
The same trope was used by Heinlein in The Moon is a Harsh Mistress and used to explain why the population of the Moon had a higher average IQ. The title of the novel is a reference to it.