I alone decreed and saved and proclaimed—I, and not some foreign god among you. So you are My witnesses,” declares the LORD, “that I am God.
12. I have told and have saved. This verse is a sort of recapitulation (ἀνακεφαλαίωσις) of the preceding; for Jehovah again relates that he foretold future events, and that he had actually accomplished what he foretold. To tell relates to foreknowledge, and to save relates to power and goodness. In a word, he means that he alone is God, who both knows and does all things.
God here challenges the worshippers of idols to produce such proofs of the divinity of their false gods as even this very instance (to go no further) of the redemption of the Jews out of Babylon furnished the people of Israel with, to prove that their God is the true and living God, and he only. I.
Commenting on Isaiah 43:8-13
Yea, before the day was I am he,.... Before there was a day, before the first day of the creation; that is, before time was, or from all eternity, I am he that resolved upon and contrived this method of saving men; "and ever since that day was" (k), as it may be rendered, I am he that have spoken of it by all the...