He used to define justice as “A virtue of the soul distributive of what each person deserved.” Another of his sayings was, that education was the best viaticum for old age. Phavorinus, in the second book of his Commentaries, says that he was constantly repeating, “The man who has friends has no friend.” And this sentiment is to be found also in the seventh book of the Ethics. These apophthegms then are attributed to him. XII. He also wrote a great number of works; and I have thought it worth while to give a list of them, on account of the eminence of their author in every branch of philosophy. Four books on Justice; three books on Poets; three books on Philosophy; two books of The Statesman; one on Rhetoric, called also the Gryllus; the Nerinthus, one; the Sophist, one; the Menexenus, one; the Erotic, one; the Banquet, one; on Riches, one; the Exhortation, one; on the Soul, one; on Prayer, one; on Nobility of Birth, one; on Pleasure, one; the Alexander, or an Essay on Colonists, one; on Sovereignty, one; on Education, one; on the Good, three; three books on things in the Laws of Plato; two on Political Constitutions; on Economy, one; on Friendship, one; on Suffering, or having Suffered, one; on Sciences, one; on Discussions, two; Solutions of Disputed Points, two; Sophistical Divisions, four; on Contraries, one; on Species and Genera, one; on Property, one; Epicheirematic, or Argumentative Commentaries, three; Propositions relating to Virtue, three; Objections, one; one book on things which are spoken of in various ways, or a Preliminary Essay; one on the Passion of Anger; five on Ethics; three on Elements; one on Science; one on Beginning; seventeen on Divisions; on Divisible Things, one; two books of Questions and Answers; two on Motion; one book of Propositions; four of Contentious Propositions; one of Syllogisms; eight of the First Analytics; two of the second greater Analytics; one on Problems; eight on Method; one on the Better; one on the Idea; Definitions serving as a preamble to the Topics, seven; two books more of Syllogisms; one of Syllogisms and Definitions; one on what is Eligible, and on what is Suitable; the Preface to the Topics, one; Topics relating to the Definitions, two; one on the Passions; one on Divisions; one on Mathematics; thirteen books of Definitions; two of Epicheiremata, or Arguments; one on Pleasure; one of Propositions; on the Voluntary, one; on the Honourable, one; of Epicheirematic or Argumentative Propositions, twenty-five books; of Amatory Propositions, four; of Propositions relating to Friendship, two; of Propositions relating to the Soul, one; on Politics, two; Political Lectures, such as that of Theophrastus, eight; on Just Actions, two; two books entitled, A Collection of Arts; two on the Art of Rhetoric; one on Art; two on other Art; one on Method; one, the Introduction to the Art of Theodectes; two books, being a treatise on the Art of Poetry; one book of Rhetorical