This chapter discusses the fundamentals of ethics, including defining ethics as the study of distinguishing good from bad actions. It examines why ethics is important by clarifying why some acts are better, contributing to social order, intelligently appraising moral conduct, and pointing to life's true values. Ethics assumes humans are rational and free. It also deals with the objects, classifications, components, and forms of ethical analysis like normative and descriptive ethics as well as theories like consequentialism and deontology. The chapter differentiates between social and personal ethics.