"Palm Sunday". Kurt Vonnegut's sermon at St. Clement's Church in New York City (1980), originally published in The Nation as "Hypocrites You Always Have With You", 1980.
William Cobbett (1829). “Advice to Young Men, and, incidentally, to Young Women, in the middle and higher ranks of life. In a series of letters, etc”, p.364
Socrates, Plato, Aristotle (1967). “Wit and Wisdom of Socrates, Plato, Aristotle: Being a Treasury of Thousands of Glorious, Inspiring and Imperishable Thoughts, Views and Observations of the Three Great Greek Philosophers, Classified Under about Four Hundred Subjects for Comparative Study”