
Source: Rules for Radicals: A Pragmatic Primer for Realistic Radicals
Introduction (p. viii)
The Eternal Champion (1970)
Source: Rules for Radicals: A Pragmatic Primer for Realistic Radicals
13:12–13:32.
"Glenn 'Kane' Jacobs Mental Smackdown of Tennessee Lt Governor" http://www.youtube.com/watch?v=-bWJwJr-R68 (2013)
The New York Times: "Marissa Mayer Is Still Here" https://www.nytimes.com/2018/04/18/business/marissa-mayer-corner-office.html (18 April 2018)
“We cannot solve our problems with the same thinking we used when we created them.”
“People say it's hard at the top, but it's even harder at the bottom.”
E! True Hollywood Story: The Osbournes.
“We cannot solve the problems using the same kind of thinking we used when we created them”
"Einstein's famous saying in Copenhagen", as quoted in a FBIS Daily Report https://books.google.de/books?id=DfQTAQAAMAAJ&q=%22We+cannot+solve%22: East Europe (4 April 1995), p. 45
Disputed
As quoted in an interview with newspaper Youth of Estonia (1988), " 'Almost everyone can forgive us for honesty': the rules of life of Viktor Tsoi, who passed away 29 years ago" in Forum Daily https://www.forumdaily.com/en/nam-za-chestnost-mogut-prostit-prakticheski-vse-pravila-zhizni-viktora-coya-ushedshego-29-let-nazad/ (15 August 2019)