| 4367 | Moral virtue is not natural, because its behaviour can be changed, unlike a falling stone [Aristotle] |
| 5223 | We are partly responsible for our own dispositions and virtues [Aristotle] |
| 4362 | Dispositions to virtue are born in us, but without intelligence they can be harmful [Aristotle] |
| 23353 | We have a natural sense of honour [Epictetus] |
| 4361 | Good animals can survive, breed, feel characteristic pleasure and pain, and contribute to the group [Hursthouse] |