Hebrews 6:13
For when God made his promise to Abraham, since there was no one greater for him to make oath by, he did so by himself,
Hebrews 3:18
And who was it to whom God made oath that they should not be admitted to his Rest, if it was not to those who had disobeyed him?
Hebrews 6:17
Therefore, God in his desire to make it perfectly clear to those to whom he made his promise, that his purpose was unalterable, bound himself with an oath,
Treasury of Scripture Knowledge
Summary
But if ye will not hear these words, I swear by myself, saith the LORD, that this house shall become a desolation.
Bible References
I
Hebrews 3:18
And who was it to whom God made oath that they should not be admitted to his Rest, if it was not to those who had disobeyed him?
Hebrews 6:13
For when God made his promise to Abraham, since there was no one greater for him to make oath by, he did so by himself,