Deuteronomy 25:13-16
A holy people must conduct business with honest weights, honest measures, and undivided integrity because everyday economic dealings are lived before the Lord.
13 You shall not have in your bag diverse weights, one heavy and one light.
14 You shall not have in your house diverse measures, one large and one small.
15 You shall have a perfect and just weight. You shall have a perfect and just measure, that your days may be long in the land which Yahweh your God gives you.
16 For all who do such things, all who do unrighteously, are an abomination to Yahweh your God.
A holy people must conduct business with honest weights, honest measures, and undivided integrity because everyday economic dealings are lived before the LORD.
Moses commands Israel to reject deceptive weights and measures and to practice complete marketplace integrity because the LORD detests dishonest dealing and ties covenant life in the land to righteous economic conduct.
In an agrarian and market-based society, stones and dry measures were used to weigh and measure goods. Keeping two sets of weights or measures allowed a seller, buyer, lender, or trader to manipulate transactions while appearing legitimate, making fraud difficult for the vulnerable to detect and contest.
Justice, Dignity, and the Perpetuation of the Covenant Line
Covenant justice in Israel protects human dignity, preserves family and tribal continuity, and guards the community's integrity before YHWH — from the punishment of the guilty to the perpetuation of the family line to the extermination of the enemy who attacked the vulnerable.