Philosophy of Religion, 53; based on the correlation between Divine and human reason, 458-462.

Plato, condemns the poets for their unworthy representations of the gods, 130-132; his views of the gods of Grecian mythology, 154-157: the sympathy of his philosophy with Christianity, 268: followed the philosophic method of Socrates, 328; his moral qualifications for the study of philosophy, 328, 329; his literary qualifications, 329, 330; his search after a criterion of truth, 333, 334; his doctrine of Ideas, 334-337; his science of real knowledge, 337, 338; his answer to the question, What is Science? 338, 339; his Psychology 339-352; his scheme of the intellectual powers, 345; on the nature of the soul, 350; his dialectic, 353-369; his grand scheme of ideas, 364-367; his Ontology, 369-379; on the creation of time, 372; did he teach that matter is eternal? 371, 372; on the eternity of the rational element of the soul, 373-375; on the immortality of the soul, 375, 376; on God as the First Principle of all principles, 377-379; his Physics, 380-383; his Ethics, 383-387, 502-505; defects of his ethical system, 518; his philosophy not derived from Jewish sources, 476; felt the need of a superhuman deliverer from sin and guilt, 519-521.

Plutarch, his sketches of Athenian character, 44; criticism on, 45; on the universality of prayer and sacrifice, 115.

Poets, the Greek, believed in the existence of one uncreated Mind, 141; their theogony was a cosmogony, 142; the theologians of Greece, 274, 275.

Polytheism, Greek, a poetico-historical religion of myth and symbol, 134; its immoralities, 160, 161; undermined by Philosophy, 484-487.

Post-Socratic Schools, classification of, 425; a philosophy of life, 422-424.

Potentiality and Actuality, Aristotle on, 408-412.

Prayer, natural to man, 115.

Preparation for Christianity, not confined to Judaism alone, 464, 465; Greek civilization also prepared the way for Christ, 465-468; Greek language a providential development as the vehicle of a more perfect revelation, 468-470; Greek philosophy fulfilled a propædeutic office, 470-472.

Pre-Socratic Schools, classification of, 280-282; 295, 296.