“If you have observed nature, you would have proved that the question of the numbers of mates is certainly not a question of arithmetic. With gnats, ten females are born to one male. Now gnats are not polygamous. Nine out of those females dies spinsters. It is only the old maids who bite us, from which one sees that celibacy engenders ferocity among insects as well as among women.”
Les silences du colonel Bramble (The Silence of Colonel Bramble)
Help us to complete the source, original and additional information
André Maurois 202
French writer 1885–1967Related quotes
The First Sex, ch. 1 - Woman and the Second Sex (1971).

Pacquiao's stand on Same-Sex marriage
As quoted in Manny Pacquiao’s stand on same-sex marriage: ‘Mas masahol pa sa hayop ang tao’ http://www.interaksyon.com/interaktv/manny-pacquiaos-stand-on-same-sex-marriage-mas-masahol-pa-sa-hayop-ang-tao InterAksyon, February 15, 2016

“Throughout history, females have picked providers for mates. Males pick anything.”
Attributed in 3,500 Good Quotes for Speakers (1985) edited by Gerald F. Lieberman, p. 114
1980s

Source: Why Men Are the Way They Are (1988), p. 91.

Source: The Keys to the Kingdom series, Mister Monday (2003), p. 247.
(p. 138)
The Ape that Thought It Was a Peacock: Does Evolutionary Psychology Exaggerate Human Sex Differences? (2013)

"Milton Friedman" in William Breit and Roger W. Spencer (ed.) Lives of the laureates
Source: The Ape that Thought It Was a Peacock: Does Evolutionary Psychology Exaggerate Human Sex Differences? (2013), p. 144