CONTENTS

VOLUME II

PART FIVE: Optical Science . . . . . . . . 419

Imagination, the common sense, and memory—Optic nerves and the structure of the eye—Perception—Light, distance, the rarity of the medium, and the position, magnitude, and density of an object in relation to sight—Errors of vision: the shape of the moon, the twinkling of the stars—Reflection and refraction.

PART SIX: Experimental Science . . . . . . . . 583

Proof through experience—External and internal experience—The utility of experimental science: analysis of the rainbow, the concept of an astrolabe An ancient astronomical instrument used to calculate the position of celestial bodies., the possibilities of medical science—Experimental science in relation to theology.

PART SEVEN: Moral Philosophy . . . . . . . . 635

The science of the salvation of man—Man's duty to God, to his neighbor, and to himself—The meaning of God—Angels—The immortality of the soul—Four hindrances to a knowledge of eternal life: sin, care of the body, the trammels restraints or impediments of the sensible world, and a lack of revelation—The worship of God—Laws and statutes regulating human relations—Personal conduct—Twelve virtues according to Aristotle—Other definitions of virtue—Discourses on sin—Contempt for prosperity and sensual pleasures—Remedies for anger—Endurance of adversity—Thoughts from Seneca and Ovid—Comparative religions—The essence of the First Cause A philosophical term for the original creator or prime mover. is infinite—Christ the perfect lawgiver—Acceptance of the Sacrament.