Virtue is not something we are born with; it is a developed through practice.

For Aristotle, the unique human function is the activity of the soul in accordance with reason .

We become just by performing just acts and brave by performing brave acts.

Aristotle’s most practical contribution is the idea that moral virtue is a between two extremes: excess and deficiency . Aristotle's Nicomachean Ethics - Essay Examples - PapersOwl

Virtue is a stable "state" of character that allows a person to choose the right action consistently.

Aristotle begins by stating that all human activities aim at some "good". However, most goods (like money or fame) are merely means to an end. The only thing pursued for its own sake is .

Just as a knife is "good" if it cuts well, a human is "good" if they perform their unique function well.