Ethics, a branch of philosophy that examines moral behavior and values, investigates what actions are right or wrong and how individuals should live. It includes normative ethics, which aims to establish universal moral standards; applied ethics, which deals with real-life challenges such as business conduct or bioethics; and metaethics, which questions the nature of moral truth. Thinkers like John Stuart Mill argued that ethics does not require duty as the only motivation, while Cora May Williams emphasized its role in striving for the highest moral aspirations.
Samuel Johnson described ethics as a science of happiness, and George Edward Moore stressed its function in assessing moral evaluations. These viewpoints illustrate ethics as both an abstract inquiry and a practical guide, connecting philosophy, psychology, and social norms. Its lasting significance stems from its ability to harmonize theoretical principles with the intricacies of human life.