No man is an island" a well-known line from john Donne's devotions, which was written more than three hundred years ago. His meaning then is still valid today. no one can live a completely isolated life. Without other people, life becomes empty and sad. We all need to have friends.
There are many books about friendship, but Dale Carnegie's How to win friend and influence People is the most famous. it was written in 1936. a how to book about dealing with other people, it became an instant best seller. it was later translated in to twenty-eight languages.