He was a man obsessed with the idea which is at this moment circulating all over our planet in obscure works of "scientifiction," in little Interplanetary Societies and Rocketry Clubs […] It is the idea that humanity, having now sufficiently corrupted the planet where it arose, must at all costs contrive to seed itself over a larger area: that the vast astronomical distances which are God's quarantine regulations, must somehow be overcome. This for a start. But beyond this lies the sweet poison of the false infinite—the wild dream that planet after planet, system after system, in the end galaxy after galaxy can be forced to sustain, everywhere and for ever, the sort of life which is contained in the loins of our own species—a dream begotten by the hatred of death[.]