 They thus kept that which is a sign of punishment away from that which is a sign of atonement.Because stones, which do not hear or speak, bring atonement between Israel and God, says, “you shall lift up no iron tool upon them.” So children of Torah, who atone for the world — how much more should no force of injury come near to them.Similarly, says, “You shall build the altar of the Lord your God of unhewn stones.” Because the stones of the altar secure the bond between Israel and God, God said that they should be whole before God.