SALT symbolizes blood and life, the supreme gift from a Supreme Giver. The Covenant of Salt, as a form of the Blood Covenant, is a covenant that is fixed, permanent and unchangeable, thus enduring forever. . Why did God give the kingdom to David and his sons forever by a covenant of salt? . Why is salt sometimes substituted for blood in making covenant? . Was the destruction of Sodom a result of disregard for the covenant of salt? . Why did Lot's wife become a pillar of salt? . Why does Jesus refer to His followers as "the salt of the earth?" . Why is Judas represented in Da Vinci's painting of the Last Supper as having overturned a salt cellar? Also included: The Ten Commandments as a Covenant of Love."