“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.”
Source: A for Anything (1959), Chapter 10 (p. 122)
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Damon Knight 9
American science fiction writer, editor and critic 1922–2002Related quotes

Source: The Best That Money Can't Buy: Beyond Politics, Poverty, & War (2002), p. 72

2010s, Liberty University Speech (14 September 2015)

Source: — Chetan Bhagat (@chetan_bhagat) 2021 at Twitter https://twitter.com/chetan_bhagat/status/1416715762748645376
Quoted in Helen Herimbi, "Comedy shows are laughing off the recession," http://www.tonight.co.za/index.php?fSectionId=356&fArticleId=4870371 Tonight (2009-03-03)
“Do you work at the grocery store? Then why are you checking me out?”
Source: Best Friends for Never