Aristotle coined the term “ethics” to define a field of study first undertaken by Socrates and Plato that seeks a rational answer to the question of how human beings should best live. He considered ethics as a practical study, along with politics and poetics and rhetoric. At the core is the notion of moral virtue, an excellence of character that develops in part due to upbringing and in part as a result of habits of action. He outlines four cardinal virtues of prudence, temperance, courage and justice, which combine in the continuing effort to achieve the highest human good. Reason is a critical component of virtue, as it is what sets humans apart. In his words, “The function of man is activity of soul in accordance with reason”.

Eudemian Ethics is the shorter and lesser known of Aristotle’s treatises on ethics. The title is derived from his pupil Eudemus of Rhodes, who may have helped edit the work, and its companion Greek word eudaimonia is often translated as well-being and happiness. It consists of eight books, three of which (IV-VI) are identical to books V-VII in the Nicomachean Ethics.

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