He was going to die. His mind flinched back in horror from that, but it was still there, grinning, implacable. His body would rot under the ground, w… - Damon Knight

When two alien cultures meet, the stronger must transform the weaker with love or hate.

Voluntary birth control methods only work on the people who choose to use ’em. A population check that doesn’t work on everybody doesn’t work at all, because it simply breeds out the ones who use it. The only population check that really works is one that affects everybody, like a limit of space or food.

Eagles had made a realist of him. He believed in facts, and in altering your viewpoint to fit them, no matter what they were. That was the way you survived and stayed sane; it was hard, it meant sacrifices—he had already lost many things that he valued deeply—but it was the only way.