James C. Humes, Benjamin Franklin (1995). “The wit and wisdom of Benjamin Franklin: a treasury of more than 900 quotations and anecdotes”, Harpercollins
Benjamin Franklin, Edmund Sears Morgan (2007). “Not Your Usual Founding Father: Selected Readings from Benjamin Franklin”, p.119, Yale University Press
Benjamin Franklin (1987). “Poor Richard's Almanack: Being the Choicest Morsels of Wisdom, Written During the Years of the Almanack's Publication”, p.22, Peter Pauper Press, Inc.
Benjamin Franklin, Edmund Sears Morgan (2007). “Not Your Usual Founding Father: Selected Readings from Benjamin Franklin”, p.113, Yale University Press