By Myself I have sworn; truth has gone out from My mouth, a word that will not be revoked: Every knee will bow before Me, every tongue will swear allegiance.
23. I have sworn by myself. He adds a clearer confirmation of the preceding statement; for, in consequence of this calling being unusual and marvellous, he adds an oath, as is usually done in what is new and hard to be believed.
What here is said is intended, as before, I. For the conviction of idolators, to show them their folly in worshipping gods that cannot help them, and neglecting a God that can. Let all that have escaped of the nations, not only the people of the Jews, but those of other nations that were by Cyrus released out of captivity in Babylon, let them come...
Commenting on Isaiah 45:20-25
I have sworn by myself,.... Christ being the true God, he could swear by no greater, Heb 6:13, this shows that what follows, and is here sworn unto, is of great importance, and strictly true, and would certainly be accomplished: the word is gone out of my mouth in righteousness; both what goes before, that such that look unto him shall be saved; and also...