Fredric Brown

“ They do not know how disgusting and hideous we find them, with their ugly misshapen bodies, so narrow-shouldered and tiny-chested, their weak sibilant voices that need amplification to carry in our Martian air, and above all their white pasty hairless skins. ”

“ For fifty years he had tried to colonize Mars and all his efforts had failed. Besides this dome which had been built for us there was only one other outpost, another glassite dome much smaller and less than a mile away.
It had looked as though mankind could never spread to the other planets of the solar system besides Earth for of all of them Mars was the least inhospitable; if he couldn't live here there was no use even trying to colonize the others. ”

“ Your lungs have compensated by becoming much greater in capacity, which is why your chests are so much larger than those of your teachers and attendants; when you are fully mature and are breathing air like that of Mars, the difference will be even greater. ”

“ When they attained maturity one of those guinea pigs was living comfortably at a temperature of forty below zero Fahrenheit, another was quite happy at a hundred and fifty above. A third was thriving on a diet that would have been deadly poison for an ordinary animal and a fourth was contented under a constant X-ray bombardment that would have killed one of its parents within minutes. ”

“ By then the air inside the dome—except for the pressurized parts where our teachers and attendants live—was almost like that outside, and we were allowed out for increasingly long periods. It is good to be in the open. ”