6. Friendship defined.

7. Benefits derived from friendship.

8. Friendship founded not on need, but on nature.

9. The relation of utility to friendship.

10. Causes for the separation of friends.

11. How far love for friends may go.

12. Wrong never to be done at a friend's request.

13. Theories that degrade friendship

14. How friendships are formed.

15. Friendlessness wretched.

16. The limits of friendship.

17. In what sense and to what degree friends are united. How friends are
to be chosen and tested.

18. The qualities to be sought in a friend.

19. Old friends not to be forsaken for new.