Deuteronomy 32:40

Moses' Song

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‘See now that I, I am He,
And there is no god besides Me;
It is I who put to death and I who give life.
I have wounded and it is I who heal,
And there is no one who can deliver from [the power of] My hand.
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‘Indeed, I lift up My hand to heaven,
And say (swear an oath), as I live forever,
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If I sharpen the lightning of My sword,
And My hand takes hold of judgment,
I will render vengeance on My adversaries,
And I will repay those who hate Me.

As I Live

Live Forever

Genesis 14:22

But Abram said to the king of Sodom, “I have raised my hand and sworn an oath to the Lord God Most High, the Creator and Possessor of heaven and earth,

Exodus 6:8

I will bring you to the land which I swore to give to Abraham, Isaac, and Jacob (Israel); and I will give it to you as a possession. I am the Lord [you have the promise of My changeless omnipotence and faithfulness].’”

Numbers 14:28-30

Say to them, ‘As I live,’ says the Lord, ‘just what you have spoken in My hearing I will most certainly do to you;

Jeremiah 4:2

And if you swear [your oaths], ‘As the Lord lives,’
In truth, in justice, and in righteousness,
Then the nations will bless themselves in Him,
And in Him they will glory.”

Hebrews 6:17-18

In the same way God, in His desire to show to the heirs of the promise the unchangeable nature of His purpose, intervened and guaranteed it with an oath,

Revelation 10:5-6

Then the angel whom I had seen standing on the sea and the land raised his right hand [to swear an oath] to heaven,