Justice, a cheating device, 95; one form of ideal or universal, 110; related to law and to utility, 120; the fairest wisdom, 139; dialogue on, 146; only interest of stronger, 147; writ large in state, 147; perfection of whole man, and of state, 169; a civic quality restraining, 198; Epicurean theory of, 225 Kant, his _Critic_ referred to, 158; maxim of, 236 Knowledge, _v._ Opinion, 33, 35, 51; impossible, 93; really exists, 164; first causes pertain to, 179; must have real object, 183; potential and actual, 203 'Know thyself,' 113; dialogue on, 137 Laches, dialogue, 136 Lampsacus, place of death of Anaxagoras, 57 Laughing philosopher, 74 Law, in universe, 112; relation to Freewill, 113; relation to Justice, 120; fulfilled through Love, 122; Laws, dialogue, 160; potential and actual, 192 Leontini, birthplace of Gorgias, 92 Leucippus, 74 Life, death of the soul, 19; a prison, 28; a sentinel-post, _ib._; a union of contradictories, 66; a dwelling in cave, 148; organic idea of, 185; an entelechy, 190; different kinds of, 194; Aristotle's definition, 203 Listeners, in Pythagorean system, 23 Logic, Parmenides founder of, 39; Zeno inventor of, 42; contributions of Plato and Aristotle to, 159; governing idea of Aristotle's, 184; of Epicurus, 215; Stoic divisions of, 230 Love, motive force in Nature, 38; one of two principles, 38, 63; fulfilling of the law, 122; dialogues on, 137, 144; pure and impure, 145 Lucretius, praises Empedocles, 59; Epicurus, 212; proofs by, of Epicurus' theory, 217; exponent of Roman Epicureanism, 242 Lyceum, school of Aristotle, 174 Lycurgus, praised, 140 Lysis, dialogue, 136 Magnet, soul of, 6 Male and Female, Pythagorean view of, 24; principles in Nature, 38; equality of, 148; correlative, 167; basis of State, 197 Man, measure of truth, 87; working with Eternal Mind, 155; Does Man partake in God's ideas? 158; differentia of, possession of reason, 191; function of, 193; a political animal, 197; wisest of animals, why? 200 Materialism, ancient and modern, 57; of Epicureans, 220; of Stoics, 233 Mathematicians, in system of Pythagoras, 23 Mathematics, based on indefinables, 10; function of, in Pythagorean philosophy, 25; and in Platonic, 170 Matter (see _Mind_), _v._ Thought, 48; another name for the formless, 151, 167; correlative of Mind, 167; what it symbolises, 184; relation to Form, 203 Mechanical theory, of universe, 56, 78; of virtue, 195 Megara, birthplace of Euclides, 132; influence of school on Plato, 154 Melissus, 46 Menexenus, dialogue, 137 Meno, dialogue, 136; relation to Aristotle's doctrine, 191 Midwifery of Socrates, 104 Might, without Right is weak, 147; is Right in tyrant, 149 Miletus, birthplace of Thales, 1; of Anaximander, 7; of Anaximenes, 14 Mind, _v._ Matter, 51, 167; function of, in the universe, 54; God's mind working on matter, 151; ruler of universe, 155; must rule pleasure, 156; home of ideas, 164; correlative of matter, 167; passive and creative, 207