Senses (or Sensation), channel for the eternal wisdom, 18; data of, no measure of reality, 40; not source of ideas, 45; untrustworthy, 49; necessary to truth, 56; no test of truth, 60; relation to reason, 61; based on composite character of body, 71; atomic theory of, 79; give no absolute truth, 80; no distinction between, and thing or mind, 87; reaction of moral theory on theory of sensation, 102; invalid as against reason, 133; has rational elements conditioning, 151; universal cannot belong to, 163; universals furthest removed from, 180; only source of knowledge, 214; Epicurean theory of emission, 221; Stoic theory, 230 Shakespeare, Plato compared to, 134 Sicily, birthplace of Empedocles, 58; connection with rise of Sophistry, 84, 86, 92; connection of Plato with, 135 Sin, willing and unwilling, 121 Sinope, birthplace of Diogenes, 130 Sleep, cuts us off from eternal wisdom, 18 Socrates, 101; relation to Anaxagoras, 54; his doctrine in general, 100; marks a parting of ways, 103; warning 'voice' or 'daemon' of, 104; philosophic midwifery, _ib._; irony, 105; not an expositor, 115; relation to Sophists, _ib._; Aristippus student of, 124; criticises Antisthenes, 129; Plato pupil of, 134; dialogue concerning, 136; conversation of Diotima with, 137; in _Republic_, 146 Socratics, complete and incomplete, 103; incomplete, 125, 128 Solon, Plato descended from, 134; praised, 140 Sophists, 82; name first used by Protagoras, 85; influence of, on politics, 88, 97; refuted by the arts, 111; relation to Socrates, 115; Platonic dialogues on, 136; dialogue so named, 159 Soul of all things, 6; a fiery exhalation, 18; God soul of the world, 27; soul realised in body, _ib._; soul double, 28; triple, 28, 169; life of soul a harmony, 29; composed of finest atoms, 78; even that of universe, 80; loss of one's soul, 150; world-soul the first creation, 151; divisions of, 169; an entelechy, 203; definition of, 204; _v._ body, 205; Epicurean theory of, 220 Space, existence prior to, 37, 167; unthinkable except with reference to body, 75 Sparta, ideas from, in _Republic_, 148; influence on Plato's Laws, 160 Species, has more of existence than genus, 183 Speusippus, successor of Plato, 172 Stagira, birthplace of Aristotle, 172 State, Justice writ large in, 147; classes in, 169; an entelechy, 196 Statesman (or Politicus), dialogue, 159 Stoicism, Semitic element in, 228; origin of name, 229 Strife, original of things, 17; one of two principles, 38, 63 Substance defined, 203 Sulla, brought Aristotle's library to Rome, 176 Summum bonum, what? 156; relation of man's perfection, 168; philosophy search for, 229 Symposium, dialogue, 137 Tabula rasa, Stoic theory of, 231 Tarsus, birthplace of St. Paul and (possibly) of Chrysippus, 229 Temperance, treated of in _Charmides_, 136; fairest sort of wisdom, 139 Thales, 2 Theaetetus, quoted from, 89; dialogue, 159 Theophrastus, successor of Aristotle, 175