Exodus 22:20
He that sacrificeth unto any god, save unto the Lord only, he shall be utterly destroyed.
Cross-references
Numbers 25:2-4 records the exact sin prohibited here — Israelites sacrificing to Moabite gods — and God's command to execute the offenders.
Deuteronomy 13:1-15 expands on this law, detailing how to handle false prophets or entire towns that entice Israel to sacrifice to other gods.
Deuteronomy 17:2-5 applies the same penalty to a man or woman found worshipping other gods, requiring thorough investigation before execution.
Deuteronomy 18:20 targets false prophets who speak in the name of other gods, another expression of the same idolatry condemned here.
Joshua 23:16 directly links serving other gods to swift destruction, mirroring the penalty in Exodus 22:20.
Numbers 25:5 enacts the command by killing those who joined Baal, a direct application of Exodus 22:20.
Deuteronomy 13:15 prescribes herem for an apostate city, expanding the same law from Exodus 22:20.
2 Kings 23:20 records Josiah executing idolatrous priests, a historical application of the herem command in Exodus 22:20.
Numbers 25:7 shows Phinehas taking a spear to execute judgment, acting out the penalty decreed in this law.
2 Chronicles 15:13 decrees death for not seeking God, a broader capital penalty for apostasy like Exodus 22:20.