Hebrews 6:13
For in making a promise to Abraham God swore by himself (since he could swear by none greater),
Hebrews 3:18
And to whom did he swear that they would never enter his Rest? To whom but those who disobeyed?
Hebrews 6:17
God, in his desire to afford the heirs of the Promise a special proof of the solid character of his purpose, 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 would never enter his Rest? To whom but those who disobeyed?
Hebrews 6:13
For in making a promise to Abraham God swore by himself (since he could swear by none greater),