Deuteronomy 5:9

5:9 You must not worship or serve them, for I, the Lord your God, am a jealous God. I punish the sons, grandsons, and great-grandsons for the sin of the fathers who reject me,

Deuteronomy 28:1

The Covenant Blessings

28:1 “If you indeed obey the Lord your God and are careful to observe all his commandments I am giving you today, the Lord your God will elevate you above all the nations of the earth.