Nicomachean Ethics is the magnum opus of the eminent Greek philosopher Aristotle on Ethics. In it, he unveils his teleological conception of practical rationality, his vision of virtue, and his reflections on the role of habit and prudence. It is considered the most mature and representative work of Aristotelian thought. The title derives from the name of his son and also disciple, Nicomachus. It is believed that the work is the result of Nicomachus' lecture notes, published by Aristotle's disciples after Nicomachus' premature death in combat. It is an indispensable ebook in the field of philosophy and ethics.