Hebrews 6:13
For when God make the promise to Abraham, since he could swear by none greater, he swore by himself, saying.
Hebrews 3:18
And to whom did he swear that they should never enter into his rest, if not to those who had proved faithless?
Hebrews 6:17
On which principle God, wishing to show more convincingly to the heirs of the promise the immutability of his purpose, mediated 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 never enter into his rest, if not to those who had proved faithless?
Hebrews 6:13
For when God make the promise to Abraham, since he could swear by none greater, he swore by himself, saying.