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Quote by Robert A. Heinlein

“Since survival is the sine qua non, I now define the "moral behavior" as "behavior that tends toward survival".”

Quote by Robert A. Heinlein

Author

Robert A. Heinlein
Robert A. Heinlein

Robert A. Heinlein was an American science fiction writer, hailed as a master in the field of science fiction. His works have had a profound impact on the development of science fiction literature, with classics such as 'Starship Troopers' and 'The Time Machine'. more

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