Things, in themselves, how known? 158; partake in the idea, 164; _v._ Propositions, 189 Thought, of God, 150; ideal elements in, 152; of God, source of reality, 164; relation to matter, 184; of God, eternally existing in ideas, 187; an entelechy, 188; without desire, no motive, 191; arms of, 198; only converted sensation, 223 Thucydides, quoted, 97 Thurii, code for, drawn up by Protagoras, 86 Timaeus, dialogue, 150 Time, brings its revenges, 8; plays with the dice, 20; existence prior to, 37, 168 Tortoise, see _Achilles_ Transmigration of souls, 27, 73 Truth, first duty of man, 29 senses give no absolute, 80; title of work by Protagoras, 86; man measure of, 87; abstract truth impossible, _ib._; dialogue concerning, 137 Tyranny, in politics and in philosophy, 83 Ultimately, significance of word, 190 Unity, _v._ Multiplicity, 28; of objects only apparent, 76; no absolute unity either of body or soul, 138; analysis of, 159; in thoughts of God, 164 Universal, _v._ Particular, 48; _v._ Individual, 99; search after lost, 105, 163; three forms, Justice, Beauty, Utility, 110; cannot belong to sense, 163; knowledge of, function of philosophy, 180; does not exist apart from particulars, 181; has less of existence than particulars, 183; they are not antithetical, 189 Universe, the self-picturing of God, 27; mechanical theory of, 56; ideal working in, 112; origin of, 151, 165, 200, 216, 232 Utility, relation to Justice, 120; philosophy does not seek, 178 Virtue, teachable through persuasion, 88; is knowledge, 112, 118; teachable through training, 131; sufficient for happiness, _ib._; teachableness of, 136, 191; immortal product of soul, 139; a habit, 195; a mean, _ib._; Reason standard of, 196; alone absolutely good, 238 Void, existence of, 75; proofs of, 219 Water, beginning of things, 4 Weeping philosopher, 20; _v._ laughing philosopher, 74 Wisdom, persuasion only true, 88; moderate indulgence, 126; a weaning of soul from pleasure, 131; temperance and justice the fairest, 139; heavenly and earthly, 148; Is it chief good? 156; Divine wisdom governor, 157; Aristotle's definition of, 180 Wise man, personification of reason, 196 Withdrawal, Stoic name for suicide, 241 World, a living creature, 27; why did God make? 190 Xenocrates, academic philosopher, 172 Xenophanes, 31, 48 Xenophon, quoted, 116 Xerxes, invasion of, 52 Zeno, the Eleatic, 42; the Stoic, 238