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.

Deuteronomy 32:12

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

Isaiah 43:10

You are my witnesses, says the Lord, and my servant whom I have taken for myself: so that you may see and have faith in me, and that it may be clear to you that I am he; before me there was no God formed, and there will not be after me.

Isaiah 44:8

Have no fear, be strong in heart; have I not made it clear to you in the past, and let you see it? and you are my witnesses. Is there any God but me, or a Rock of whom I have no knowledge?

Psalm 81:9-10

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

Isaiah 37:7

See, I will put a spirit into him, and bad news will come to his ears, and he will go back to his land; and there I will have him put to death.

Isaiah 37:20

But now, O Lord our God, give us salvation from his hand, so that it may be clear to all the kingdoms of the earth that you, and you only, are the Lord.

Isaiah 37:35-36

For I will keep this town safe, for my honour, and for the honour of my servant David.

Isaiah 46:9-10

Let the things which are past come to your memory: for I am God, and there is no other; I am God, and there is no one like me;

Isaiah 48:4-7

Because I saw that your heart was hard, and that your neck was an iron cord, and your brow brass;

Treasury of Scripture Knowledge

Summary

I have declared, and have saved, and I have shewed, when there was no strange god among you: therefore ye are my witnesses, saith the LORD, that I am God.

Bible References

Declared

Isaiah 37:7
See, I will put a spirit into him, and bad news will come to his ears, and he will go back to his land; and there I will have him put to death.
Isaiah 46:10
Making clear from the first what is to come, and from past times the things which have not so far come about; saying, My purpose is fixed, and I will do all my pleasure;
Isaiah 48:4
Because I saw that your heart was hard, and that your neck was an iron cord, and your brow brass;

No strange

Deuteronomy 32:12
So the Lord only was his guide, no other god was with him.
Psalm 81:9
There is to be no strange god among you; you are not to give worship to any other god.

My witnesses

Isaiah 43:10
You are my witnesses, says the Lord, and my servant whom I have taken for myself: so that you may see and have faith in me, and that it may be clear to you that I am he; before me there was no God formed, and there will not be after me.
Isaiah 37:20
But now, O Lord our God, give us salvation from his hand, so that it may be clear to all the kingdoms of the earth that you, and you only, are the Lord.
Isaiah 44:8
Have no fear, be strong in heart; have I not made it clear to you in the past, and let you see it? and you are my witnesses. Is there any God but me, or a Rock of whom I have no knowledge?
Isaiah 46:9
Let the things which are past come to your memory: for I am God, and there is no other; I am God, and there is no one like me;

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