Virtue is a stable "state" of character that allows a person to choose the right action consistently.
We become just by performing just acts and brave by performing brave acts. Aristotle's Nicomachean Ethics
For Aristotle, the unique human function is the activity of the soul in accordance with reason . Virtue is a stable "state" of character that
To be morally responsible, a person must act voluntarily and be aware of what they are doing. The Doctrine of the Golden Mean Aristotle's Nicomachean Ethics