Question: where in the bible does it say to only worship god?
Answer: Thou shalt have no other gods before me. "Thou shalt have no other gods before Me" is one of the Ten Commandments found in the Hebrew Bible at Exodus 20:2 and Deuteronomy 5:6. It is the central tenet of the Abrahamic religions and prohibits the religion's followers from worshipping gods other than the Lord.