Honesty in trade, as a duty to our neighbor, is emphatically enforced once more (compare Leviticus 19:35-36). It is noteworthy that John the Baptist puts the like duties in the forefront of his preaching (compare Luke 3:12 ff); and that “the prophets” (compare Ezekiel 45:10-12; Amos 8:5; Micah 6:10-11) and “the Psalms” Proverbs 16:11; Proverbs 20:10, Proverbs 20:23, not less than “the Law,” especially insist on them.
Divers weights - i. e. stones of unequal weights, the lighter to sell with, the heavier to buy with. Stones were used by the Jews instead of brass or lead for their weights, as less liable to lose anything through rust or wear.
It was not after the spirit or mission of the Law to aim at overcoming inveterate opposition by love and by attempts at conversion (contrast Luke 9:55-56). The law taught God’s hatred of sin and of rebellion against Him by enjoining the extinction of the obstinate sinner. The Amalekites were a kindred people Genesis 36:15-16; and living as they did in the peninsula of Sinai, they could not but have well known the mighty acts God had done for His people in Egypt and the Red Sea; yet they manifested from the first a persistent hostility to Israel (compare Exodus 17:8, and note; Numbers 14:45). They provoked therefore the sentence here pronounced, which was executed at last by Saul (1 Samuel 15:3 ff).