provide them with any protection against outer space. After a flurry of diplomatic activity, the Jovians return to the robots and, unexpectedly, swear eternal peace with humanity, surprising the robots. They quickly retreat back to Earth. On return from the surface of planet Jupiter, the three robots reflect on this change of heart by the Jovians. ZZ One (with his considerably lower reasoning capacity than the other robots) argues, from the perspective of the First Law, that the Jovians simply realized that they could not harm humans. However, the other two robots intuit the real reason. When the Jovians' superiority complex was confronted by the strength and resistance of the robots to all manner of hazards, it crumbled and led to their acquiescence. ZZ Three thoughtfully realizes that the three robots never thought to mention that they were robots, and the Jovians must have simply mistakenly assumed that they were humans. References External links 1942 short stories Fiction set on Ganymede (moon) Fiction set on Jupiter Robot series short stories by Isaac Asimov Works originally published in Super Science Stories