Hebrews 6:13

For when God made the promise to Abraham, because he could swear by no greater,

Hebrews 3:18

Whose carcases fell in the wilderness? And to whom sware he, that they should not enter into his rest, but to them that believed not?

Hebrews 6:18

That by two unchangeable things, in which it was impossible for God to lie, we might have strong consolation, who have fled to lay hold on the hope set before us:

Treasury of Scripture Knowledge

Summary

Therefore hear ye the word of the LORD, all Judah that dwell in the land of Egypt; Behold, I have sworn by my great name, saith the LORD, that my name shall no more be named in the mouth of any man of Judah in all the land of Egypt, saying, The Lord GOD liveth.

I have sworn

Bible References

I have sworn

Hebrews 3:18
Whose carcases fell in the wilderness? And to whom sware he, that they should not enter into his rest, but to them that believed not?
Hebrews 6:13
For when God made the promise to Abraham, because he could swear by no greater,