Exodus 20:3-5

20:3 “You shall have no other gods before me.

20:4 “You shall not make for yourself a carved image or any likeness of anything that is in heaven above or that is on the earth beneath or that is in the water below. 20:5 You shall not bow down to them or serve them, for I, the Lord, your God, am a jealous God, responding to the transgression of fathers by dealing with children to the third and fourth generations of those who reject me,

Deuteronomy 5:7

5:7 You must not have any other gods besides me.

Matthew 4:10

4:10 Then Jesus said to him, “Go away, Satan! For it is written: ‘You are to worship the Lord your God and serve only him.’”