– Winston Churchill
– Richard Milhous Nixon
– Henry Kissinger, Years of Upheaval
– Robert Service
– Matthew Arnold
– Chuang-tzu
– Chuang-tzu, On Leveling All Things
– Charles Bukowski
– Paul Tabori, _The Natural Science of Stupidity_. (New York: ChiltonCompany, 1960), p. 104.
– Henry David Thoreau
– Sir Winston Churchill, Speech, 1941, Harrow School
– Edward Abbey
– Alexis Charles Henri Clrel de Tocqueville
– Jose Ortega y Gasset
– Theophrastus
– Henry David Thoreau, Walden
– William Feather
– William Shakespeare
– Aesop