Optimism of Plato, 382.

Order of the Universe, had it a beginning, or is it eternal? 178-184.

Order, principle of, pervades the universe, 220, 221; recognized by Pythagoras, 301; Cosmological proof of the existence of God, 489, 490.

P.

Parmenides, his theory of knowledge, 307-308; a spiritualistic Pantheist, 308, 309.

Paul, St., at Athens, 14; his emotion when he saw the city full of idols, 100; the subject of his discourse, 101; brought into contact with all the phases of philosophic thought, 268, 269; his arrival at Athens an epoch in the moral history of the world, 472; he recognized the preparatory office of Greek philosophy, 473.

Philosophers of Athens, 101; believed in one supreme, uncreated, eternal God, 151-157; their views of the mythological deities, 158, 159; their apologies for images and image-worship, 159, 160.

Philosophic Schools, classification of, 271-273; Pre-Socratic 280-314; Socratic, 314-421; Post-Socratic, 422-456.

Philosophy, the world-enduring monument of the glory of Athens, 265, 260; defined, 270, 271; an inquiry after first causes and principles, 271, 457; not in any proper sense a theological inquiry, 273-277, 279; the love of wisdom, 384, 385.

Philosophy in its relation to Christianity, 268-270; sympathy of Platonism, 268; antagonism of Epicureanism and Stoicism, 269; the Propædeutic office of philosophy, 457-524--recognized by St. Paul, 473--and many of the early Fathers, 473-475; philosophy undermined Polytheism, and purified the Theistic idea, 481-487; developed the Theistic argument in a logical form, 487-494; it awakened Conscience and purified the Ethical idea, 495-506; demonstrated the insufficiency of reason to elaborate a perfect ideal of moral excellence, 506-509; awakened in man the sense of distance from God, and the need of a Mediator, 509-513; deepened the consciousness of sin, and the desire for a Redeemer, 513-522; the history of philosophy a confirmation of the truth of Christianity, 522-524.