Moist or base element, 18 Monarchy, in politics and in philosophy, 82 Morality, a convention, 95, 126; traditional morality of Greece required remodelling, 98; question as to origin solved by Socrates, 121; can never exhaust Subject, 188; an entelechy, 192; potential and actual, 194 Motion, animal, how accounted for, 79 Multiplicity, see _Unity_ Music, of the spheres, 27; of seven planets, 151; function of, in education, 29, 170 Myth, of Steeds, 144; of Judgment, 150; of Creation, 152; philosophers fond of, 178 Names, approximations to reality, 165 Nature, treatises on, 16, 34, 46, 217; a reason in, 37; male and female principles in, 38; Love motive force in, _ib._; the non-existent, 92; 'touch of nature,' 191; Aristotle's conception of, 199; violations of, 201; order of, 217; clearly immortal, 218; a life consistent with, 236 Necessity, creative power, 38, 63; how used by Democritus, 78; Aristotle's conception of, 201 Neleus, family (owners of Aristotle's library), 175 Nicomachus, father of Aristotle, 172 Notions, Epicurus' view of, 215 Number, original of things, 24; relation of ideas to, 167 Obedience, through disobedience, 122 Obscure, epithet of Heraclitus, 15 Odd, _v._ Even, 24 Opinion, _v._ Knowledge, 33, 35 Oracle, answer of, respecting Socrates, 107; maxim engraved on, 113 Organism, idea of, in Aristotle, 185, 205 Organon, of Aristotle, 159 Origination, meaning of, 53, 62 Other, the 'Other' of Plato, 165 Pains, classification of, 131; converted into pleasures, 131, 227; moral function of, 238 Pantheistic apathy, 20 Parmenides, 33; relation of Zeno to, 42; visited Athens, 157; dialogue, _ib._ Particular, see _Universal_ Passion, part of soul, 28, 169 Paul, St., influence of Stoicism on, 228; relation of, to Greek philosophy, 244 Pericles, friend of Anaxagoras, 52; and of Protagoras, 86 Peripatetics, origin of name, 174 Personality, absence of, in Greek thought, 40 Persuasion, only true wisdom, 88 Phaedo, quoted from, 54; dialogue, 136 Phaedrus, dialogue, 142 Phenomena, not source of abstract ideas, 15 Philebus, dialogue, 156 Philosophy, different from science, 9; does not forbid inconsistency, 64; a form of poesy or fiction, 66; at the basis of religion, art, and morals, 67; great philosophies never die, 68; first systematically divided by Democritus, 75; relation to politics, 82, 97; paradox of, 100; crisis of, _ib._; of nature and of moral, 101; a means of social culture, 125; relation of Love to, 137; must rule on earth, 149; only makes happy guesses in science, 152; origin of, 178; investigates first causes, 179; crux in, 190; Epicurus' definition of, 214; a search for chief good, 229