Aristotle believed that the ultimate goal of human life is eudaimonia, which is often translated as 'happiness' or 'flourishing'.

Plato argued that virtue is a form of knowledge, and that those who know what is good will naturally do what is good.

The four cardinal virtues are traditionally considered to be justice, temperance, courage, and prudence. Prudence is sometimes replaced by faith, hope, or charity in Christian contexts.

Virtue ethics focuses on the character of the agent, and how their virtues or vices influence their actions and decisions.

Aristotle argued that virtue is necessary for happiness, but not sufficient. He believed that external goods, such as wealth and health, are also necessary for a flourishing life.

Aristotle's theory of the mean states that virtue is a balance between two extremes, one of excess and one of deficiency.

Deontological ethics focuses on the nature of right and wrong, and the idea that certain actions are morally obligatory regardless of their consequences.

Epicurus argued that the ultimate goal of life is to achieve pleasure and avoid pain.

Virtue ethics emphasizes the importance of developing virtuous habits, which are dispositions to act in accordance with moral principles.

Aristotle distinguished between intellectual virtues, which are related to the intellect and reason, and moral virtues, which are related to character and behavior.

Consequentialist ethics focuses on the consequences of actions, and the idea that the rightness or wrongness of an action is determined by its consequences.

Zeno of Citium was the founder of Stoicism, a philosophical school that emphasized the importance of living in accordance with nature and reason.

Virtue ethics focuses on the character of the agent, and how their virtues or vices influence their actions and decisions.

Diogenes of Sinope was a Cynic philosopher who advocated for a simple and virtuous life, free from material possessions and social conventions.

Virtue ethics focuses on the character of the agent, and how their virtues or vices influence their actions and decisions.