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”
John Newton, Richard Cecil (1824). “The Works of the Rev. J. Newton ...: With the Memoirs of the Author and General Remarks on His Life, Connections, and Character”, p.77