The Law given to Moses according to the OT at Exod. 20: 1–17 and Deut. 5: 6–21, though in fact developed over centuries. It served as the foundation principles for the community's life. The Commandments, also known as the Decalogue, prohibit idolatry and call for a total cessation of work on the Sabbath. They demand respect for individuals and for the life of the nation. They provide an ethical basis for a secure existence. Their influence on both Jewish and Christian communities has been enormous.