Robert A. Heinlein

A competent and self-confident person is incapable of jealousy in anything. Jealousy is invariably a symptom of neurotic insecurity.
A competent and self-confident person is incapable of jealousy in anything. Jealousy is invariably a symptom of neurotic insecurity.
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These are some quotes by American author Robert A. Heinlein Writer, who lived between July 7, 1907 and May 8, 1988.