The Fifth Commandment upholds the sanctity of human life by prohibiting murder. It originated to end blood vengeance between tribes, and established a fair judicial system in Israel. Today it extends to respecting one's own life as well as others, and prohibiting actions like suicide, fighting, or exposing lives to unnecessary risk. The Sixth and Ninth Commandments uphold the sanctity of marriage and family by prohibiting adultery and coveting another's spouse. They protect the basic social unit and require respect for all family members. Today they extend to upholding purity and prohibiting any violations of human sexuality. The Seventh Commandment originally referred to prohibiting slave theft but also protected individuals' property. Today