Marcus Tullius Cicero (1853). “The Academic Questions, Treatise de Finibus, and Tusculan Disputations, of Marcus Tullius Cicero: With a Sketch of the Greek Philosophers Mentioned by Cicero”, p.114
Josh Billings (1972). “Uncle Sam's Uncle Josh: Or, Josh Billings on Practically Everything, Distilled from Josh's Rum and Tansy New England Wit by Donald Day”