Philip Bosman explores the history of the concept of conscience. As a cognitive construct, the meaning of the ancient concept must be derived from the historical conceptual framework within which it features. As the modern term evolved from the Greek synoida word group, the author follows its history of development, from initial verbal phrases expressing an awareness of having done something wrong, to the later substantives referring to an inner entity monitoring the behaviour of the individual. Prominent aspects of the conceptual framework are explained from the Ancient Greek system of...