What can we learn from the law regarding the upper and lower millstone in Deuteronomy 24:6?

Answer From The Annual Reading Schedule - Week 47 Notes For Deuteronomy: The law is all about justice, compassion, love, and mercy. It would not loving to let someone take another's upper or lower millstone because then the poor man would not be able to turn his wheat or other grains into flour in order to make bread.