1、规则和习俗 A man on a lonely islandA man on a lonely island can act as he likes because he has no one to consider except himself
But when Robinson Crusoe discovered footprints in the sand, he could no longer act precisely as before
He had to think of the existence of a companion and the possible effect of his actions upon a second person
Two people thus suddenly brought face to face can not ignore each other
Either one must overcome the other or they must arrive at some form of coexistence
In the latter event they have first to convince each other of their friendly intentions
When a man comes upon a tribe whose language he does not know, he will nod and smile, make friendly gestures and perhaps send them small gifts
If these offers are successful, the tribesmen will take him to their vi