Damon Knight

"We humanitarians, as our name suggests, believe that man has an ethical duty to man. We believe that the value of any system is measured by the consideration given to all human beings, not just to a f…"

"Science fiction … means what we point to when we say it."

"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. …"

"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 sacri…"

"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, while delicious things were still happening in the s…"

"No progress, either moral or material, can be made in a world which is frozen, like ours, into a rigid mold of suppression of liberties."

"A society that put more emphasis on birth than ability was likely to breed ability out of its ruling class."

"“Don’t lose your temper,” said Ruell evenly. “It’s your worst fault, except for ignorance."