Aristotle famously compares moral virtue to learning a craft. One does not become a harpist by reading a book on harp-playing; one becomes a harpist by playing the harp. Similarly, one becomes a good person by repeatedly choosing the right actions until they become second nature.
Consider :
Aristotle argues that you cannot be truly good without practical wisdom, and you cannot have practical wisdom without moral virtue. They are two sides of the same coin. etica a nicomaco
Aristotle, passing by later that morning, stopped. He studied the statue in silence. Then he smiled—not the smile of a teacher granting approval, but of a craftsman recognizing another. Aristotle famously compares moral virtue to learning a craft
To define this flourishing, Aristotle employs his "function argument." He suggests that just as a knife is "good" if it cuts well (its function), a human being is good if they perform their function well. Consider : Aristotle argues that you cannot be
A great modern translation for English speakers is by Terence Irwin or W.D. Ross. For Italian or Spanish readers, the classic translations by Carlo Natali (Italian) or Julio Pallí Bonet (Spanish) are highly recommended.