Isaiah 43:10

10 “You are my witnesses,” declares the LORD, “and my servant whom I have chosen, so that you may know and believe me and understand that I am he. Before me no god was formed, nor will there be one after me.

Read Isaiah 43:10 Using Other Translations

Ye are my witnesses, saith the LORD, and my servant whom I have chosen: that ye may know and believe me, and understand that I am he: before me there was no God formed, neither shall there be after me.
"You are my witnesses," declares the LORD, "and my servant whom I have chosen, that you may know and believe me and understand that I am he. Before me no god was formed, nor shall there be any after me.
“But you are my witnesses, O Israel!” says the LORD . “You are my servant. You have been chosen to know me, believe in me, and understand that I alone am God. There is no other God— there never has been, and there never will be.