William Damon (2014). “Failing Liberty 101: How We Are Leaving Young Americans Unprepared for Citizenship in a Free Society”, p.3, Hoover Institution Press
Misattributed to Benjamin Franklin. "They Never Said It: A Book of Fake Quotes, Misquotes, and Misleading Attributions". Book by John H. George and Paul Boller, pp. 26-27, 1989.