Cicero, De Officiis (44 BC), I. 10. Also in De Republica. V, Chapter III. Same idea in Aristotle—Ethics. V. 14. Terence—Heauton timorumenos, Act IV, scene 5. 48. Columella—De Re Rustica, Book I, Chapter VII. (Ed. Bipont, 1787.) Racine—La Thébaide, Act IV, scene 3. Les Frères Ennemis, IV. 3.https://en.wikiquote.org/wiki/Justice