He was going to die. His mind flinched back in horror from that, but it was still there, grinning… — Damon Knight

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

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.

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.