Exodus Chapter 22, Verse 20
From BibleWiki
20: He that sacrificeth unto any god, save unto the LORD only, he
shall be utterly destroyed.
20: He that sacrificeth to gods, shall be put to death, save only to
the Lord.
20: He that sacrifices to any gods but to the Lord alone, shall be destroyed by death.
Exodus Chapter 22, Verse 20/commentary
