Deuteronomy 32:40

For lifting up my hand to heaven I say, By my unending life,

Genesis 14:22

But Abram said to the king of Sodom, I have taken an oath to the Lord, the Most High God, maker of heaven and earth,

Exodus 6:8

And I will be your guide into the land which I made an oath to give to Abraham, to Isaac, and to Jacob; and I will give it to you for your heritage: I am Yahweh.

Numbers 14:28-30

Say to them, By my life, says the Lord, as certainly as your words have come to my ears, so certainly will I do this to you:

Jeremiah 4:2

And you will take your oath, By the living Lord, in good faith and wisdom and righteousness; and the nations will make use of you as a blessing, and in you will they take a pride.

Hebrews 6:17-18

So that when it was God's desire to make it specially clear to those who by his word were to have the heritage, that his purpose was fixed, he made it more certain with an oath;

Revelation 10:5-6

And the angel which I saw taking his position on the sea and on the earth, put up his right hand to heaven,

Treasury of Scripture Knowledge

Summary

For I lift up my hand to heaven, and say, I live for ever.

Bible References

General references

Genesis 14:22
But Abram said to the king of Sodom, I have taken an oath to the Lord, the Most High God, maker of heaven and earth,
Exodus 6:8
And I will be your guide into the land which I made an oath to give to Abraham, to Isaac, and to Jacob; and I will give it to you for your heritage: I am Yahweh.
Numbers 14:28
Say to them, By my life, says the Lord, as certainly as your words have come to my ears, so certainly will I do this to you:
Jeremiah 4:2
And you will take your oath, By the living Lord, in good faith and wisdom and righteousness; and the nations will make use of you as a blessing, and in you will they take a pride.
Hebrews 6:17
So that when it was God's desire to make it specially clear to those who by his word were to have the heritage, that his purpose was fixed, he made it more certain with an oath;
Revelation 10:5
And the angel which I saw taking his position on the sea and on the earth, put up his right hand to heaven,

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