Deuteronomy 25:15-17 New English Translation (NET Bible)
15 You must have an accurate and correct stone weight and an accurate and correct measuring container, so that your life may be extended in the land the Lord your God is about to give you. 16 For anyone who acts dishonestly in these ways is abhorrent to the Lord your God.
Treatment of the Amalekites
17 Remember what the Amalekites did to you on your way from Egypt,