Psalm 81:9

There is to be no strange god among you; you are not to give worship to any other god.

Deuteronomy 32:12

So the Lord only was his guide, no other god was with him.

Isaiah 43:12

I gave the word, and made it clear, and there was no strange god among you: for this reason you are my witnesses, says the Lord.

Exodus 20:3-5

You are to have no other gods but me.

Deuteronomy 6:14

Do not go after other gods, the gods of the peoples round about you;

Psalm 44:20

If the name of our God has gone out of our minds, or if our hands have been stretched out to a strange god,

Malachi 2:11

Judah has been acting falsely, and a disgusting thing has been done in Jerusalem; for Judah has made unclean the holy place of the Lord which is dear to him, and has taken as his wife the daughter of a strange god.

1 Corinthians 8:5-6

For though there are those who have the name of gods, in heaven or on earth, as there are a number of gods and a number of lords,

Treasury of Scripture Knowledge

Summary

There shall no strange god be in thee; neither shalt thou worship any strange god.

General references

Bible References

There shall

Exodus 20:3
You are to have no other gods but me.
1 Corinthians 8:5
For though there are those who have the name of gods, in heaven or on earth, as there are a number of gods and a number of lords,

Strange

Deuteronomy 6:14
Do not go after other gods, the gods of the peoples round about you;
Deuteronomy 32:12
So the Lord only was his guide, no other god was with him.
Isaiah 43:12
I gave the word, and made it clear, and there was no strange god among you: for this reason you are my witnesses, says the Lord.
Malachi 2:11
Judah has been acting falsely, and a disgusting thing has been done in Jerusalem; for Judah has made unclean the holy place of the Lord which is dear to him, and has taken as his wife the daughter of a strange god.

General references

Exodus 20:3
You are to have no other gods but me.

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain