Soul, Plato on the nature of the, 350, 373; eternity of the rational element, 373-375.

Spencer, H., carries the law of the Conditioned forward to its logical consequences, Atheism, 241, 242.

Stoical School, 446; its philosophy a moral philosophy, 447. Stoics, their Physiology, 448-453; their

Psychology, 453, 454; their Ethics, 454-456; their Theology, 452,453.

Substance, principle of, 189; Idealism seeks to undermine it, 193; Reason affirms a permanent substance as the ground of all mental phenomena, 201--and of the phenomena of the sensible world, 202, 203.

Sufficient Reason, law of, recognized by Plato, 359.

Superstition, meaning of the term as used by Paul, 103.

T.

Teleological proof of the existence of God, 490, 491.

Thales, a believer in one uncreated God, 152; his first principles, 283; he regards water as the material cause, 284; and God as the efficient cause, 285.