By “glorified God in me” he means they called him great. For what is so magnificent as to have your own opinion turned around and receive the one whom you previously assailed? This being so, you also should follow nothing else than the gospel preached to you by the one who is a miracle among the Gentiles, because he preaches the faith of Christ. .
And they glorified God in me. See here again how accurately he observes the rule of his humility; he says not, they admired me, they applauded or were astonished at me, but ascribes all to Divine grace by the words, they glorified God in me.
See here too how exactly he follows the principle of humility. For he says not “they were amazed at me,” “they praised me” or “they were astonished,” but he has shown that all was of grace by saying “they glorified God in me.”
