I have declared, and have saved; I first foretold your deliverance, and then effected it. I have showed; I foretold it. This branch he repeated, because this is the principal argument used here, and Isa 41, to determine this controversy between God and idols. When there was no strange god among you; and this I did when you did not worship any idols, and therefore it could not be pretended that you had this knowledge from them.
Related Commentaries of Isaiah 43:12
Isaiah 43:12
12 I have declared, and have saved, and I have shewed, when there was no strange god among you: therefore ye are my witnesses, saith the LORD, that I am God.