How does language reflect society?

Actually a Language has its litterature which is very essential to let the language grow. So,almost all the litterature talks about their religion and ancient practices. this influence the people a lot and when people start attracted my it they follow the methods conveyed in the litterature. This is how a Language influence its people. Eg. If you ake the Tamil people in South India they have their own culture and beliefs which make them so different from other Indians... Have a good day.