Noah Webster (1835). “Instructive and Entertaining Lessons for Youth: With Rules for Reading with Propriety, Illustrated by Examples: Designed for Use in Schools and Families”, p.230
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”