Hebrews 6:13
For God, when making a promise to Abraham, since He had no one greater by whom to swear, swore by Himself,
Hebrews 3:18
And to whom did He swear, that they should not enter into His rest, but to those who were disbelieving?
Hebrews 6:17
wherein God, more abundantly willing to show to the heirs of the promise the immutability of His counsel, interposed 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 to whom did He swear, that they should not enter into His rest, but to those who were disbelieving?
Hebrews 6:13
For God, when making a promise to Abraham, since He had no one greater by whom to swear, swore by Himself,