Themes & patterns

The central inquiry of the book is to identify the highest good for human beings, which Aristotle argues is happiness (eudaimonia), understood as a life of virtuous activity in accordance with reason.

Aristotle distinguishes between intellectual and moral virtues, emphasizing that moral virtues are developed through habit and practice, and that a virtuous character is essential for achieving happiness.

Moral virtue is defined as a mean between two extremes (excess and deficiency), and finding this balance is key to right action, as illustrated in discussions of courage, temperance, and justice.

Justice is analyzed as both a complete virtue in relation to others and a specific virtue concerned with fairness in distribution and rectification, involving proportional equality and the rule of law.

Friendship is explored as a necessary component of the good life, with different types based on utility, pleasure, and virtue, and is closely tied to political association and family bonds.

Pleasure and pain are examined as fundamental motivators of human action, with virtue involving the proper orientation toward them, and pleasure being a natural accompaniment to virtuous activity.

Practical wisdom (phronesis) is the intellectual virtue that guides moral action, enabling a person to deliberate correctly about what is good and to apply right reason in specific situations.

The good of the individual is linked to the good of the state, and ethics is presented as a branch of politics, with the aim of creating good citizens through law, education, and a well-ordered constitution.