This document provides an introduction to the philosophy of the human person. It defines philosophy as the love of wisdom and the science that studies principles of all things using natural reason. The main branches of philosophy are then outlined as metaphysics, ethics, epistemology, logic, and aesthetics. Examples of influential philosophers are provided for each branch, such as Plato in metaphysics and Aristotle in logic. The document concludes with discussion questions about applying philosophical concepts to daily life and defining key terms like happiness.