American science fiction writer, editor and critic (1922–2002)
Showing quotes in randomized order to avoid selection bias. Click Popular for most popular quotes.
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.
Enhance Your Quote Experience
Enjoy ad-free browsing, unlimited collections, and advanced search features with Premium.