A competent and self-confident person is incapable of jealousy in anything. Jealousy is invariably a...

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A competent and self-confident person is incapable of jealousy in anything. Jealousy is invariably a symptom of neurotic insecurity.

Robert A. Heinlein

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Robert A. Heinlein

American science fiction author

July 7th, 1907 - May 8th, 1988

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