Hebrews 6:13
For when God gave the promise to Abraham, since He had no one greater to swear by, He swore by Himself,
Hebrews 3:18
And to whom did He swear that they should not be admitted to His rest, if it was not to those who were disobedient?
Hebrews 6:17
In the same way, since it was God's desire to display more convincingly to the heirs of the promise how unchangeable His purpose was,
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 be admitted to His rest, if it was not to those who were disobedient?
Hebrews 6:13
For when God gave the promise to Abraham, since He had no one greater to swear by, He swore by Himself,