“Show me a man or a woman alone and I'll show you a saint. Give me two and they'll fall in love. Give me three and they'll invent the charming thing we call 'society'. Give me four and they'll build a pyramid. Give me five and they'll make one an outcast. Give me six and they'll reinvent prejudice. Give me seven and in seven years they'll reinvent warfare. Man may have been made in the image of God, but human society was made in the image of His opposite number, and is always trying to get back home.”

Source: The Winner Stands Alone

Speech at UCLA, May 9, 2002.
Attributed

Old Mortality, Volume II (1816), Chapter XI.

Source: The Witching Hour (1990)

Are Comics Fascist?, as quoted in The Ages of Wonder Woman: Essays on the Amazon Princess in Changing Times, edited by Joeph J Darowski, p.7 in the essay "William Marston's Feminist Agenda" by Michelle R. Finn, p.14.

Interview with Inc. Magazine for its "The Entrepreneur of the Decade Award" (1 April 1989) http://www.inc.com/magazine/19890401/5602.html
1980s
Variant: You can't just ask customers what they want and then try to give that to them. By the time you get it built, they'll want something new.

In "I am not a flake" https://blog.givewell.org/2007/03/06/i-am-not-a-flake/, March 2007
Context: I have more pet peeves than anyone else I know, and one of the very biggest ones is what I call flakes: people who say they'll do something, then back out without giving me the communication I need to adjust my plans. Anyone who's ever stood me up, or even been very late to something without a heads-up phone call, or just forgotten to do something they knew I was counting on them to do, has felt my wrath … thanks to cellphones and email, there is just no excuse.

Live Forever
Definitely Maybe (1994)

As quoted in Paul Robeson : The Whole World in His Hands (1981) by Susan Robeson, p. 92