4 Hear, O Israel, The Lord our God is one Lord.
Bible verses about "polytheism" | CAB
Deuteronomy 6:4
Exodus 20:4-5
4 You shall not make for yourself an idol, nor likeness of anything, whatever things are in the heaven above, and whatever are in the earth beneath, and whatever are in the waters under the earth.
5 You shall not bow down to them, nor serve them; for I am the Lord your God, a jealous God, recompensing the sins of the fathers upon the children, to the third and fourth generation to them that hate Me,
John 1:1
1 In the beginning was the Word, and the Word was with God, and the Word was God.
Exodus 20:3
3 You shall have no other gods beside Me.