This document discusses the ethical dimension of human existence by exploring various concepts related to ethics. It begins by outlining the objectives of examining ethics, which include identifying the ethical aspect of human life and defining relevant terms. It then uses the tragic death of Cris Anthony Mendez from hazing to reflect on questions of value, good/bad, and right/wrong. The document defines ethics as concerning human behavior and values. It distinguishes different types of valuation and contrasts descriptive versus normative study in ethics. It also defines key concepts like moral issues, decisions, judgments, and dilemmas. The document outlines various perspectives that inform ethical reasoning like principles, theories, and frameworks. It discusses influential philosophers like Plato and sources of ethical authority