韩国后宫西瓜剧情介绍:

According to Aristotle， friendship either is， or it involves， a state of character， a virtue. There are three kinds of friendship. These are based on pleasure in another' s company (friendship of pleasure)， or on usefulness in association (friendships of utility)， or on mutual admiration (friendships in virtue). All are essential to the good life， and the best sorts of friends will not only admire each other' s excellence， but take pleasure in each other' s company and find their association of mutual advantage. Here is a portion of Aristotle' s classic discussion.