The fourth chapter of Genesis in Old Testament tells the story of how Cain and Abel, out in the wide open grasslands tending their flocks, offered sacrifices to the Lord from their cattle according to their individual desires. God looked with kindliness on Abel's efforts but with indifference and disdain on Cain's. So Cain, in a fit of jealously, killed Abel. And when the Lord came to Cain and asked him what he had done, he gave a pointed retort in the form of a question, "Am I my brother's keeper?" God's reply was in the form of a positive affirmation. This is one of the first recorded instances in literature of emphasis on social responsibility. In this case it was an urgent demand for …