Samuel Johnson (1807). “Dr. Johnson's Table-talk: Containing Aphorisms on Literature, Life, and Manners, with Anecdotes of Distinguished Persons, Selected and Arranged from Mr. Boswell's Life of Johnson”, p.42
Epictetus (1758). “All the Works of Epictetus: Which are Now Extant; Consisting of His Discourses, Preserved by Arrian, in Four Books, the Enchiridion, and Fragments”, p.345