This document provides an overview of the history of ethics from ancient Greece to the present day. It discusses five significant periods: 1) The Classical Period focused on rationalism and curiosity, with philosophers like Plato and Aristotle. 2) The Middle Ages emphasized continuity with classical doctrines but also religion's influence on philosophy. 3) The Early Modern Period saw a shift from supernatural to natural philosophy with the rise of science. 4) The Nineteenth Century was characterized by utilitarianism, scientific theory, and skepticism of ethics. 5) The Contemporary Period exhibits diverse moral beliefs and a focus on understanding human nature. The document also defines key concepts like ethics, morality, values, and virtues.