The Meccan Revelations: Page 507 from Volume One

Know that the consideration of conversion at the beginning of the sermon is for a person to be in a state of looking to his Lord through his Lord, so he looks at the beginning of the sermon to his Lord himself, which is his saying at the beginning of the prayer, “My servant has praised Me.” If the state of the worshiper at the time of praise was one of being consumed by seeing his Lord, that God Almighty praised Himself on the tongue of His servant, he would not have believed it. In all respects, My servant has praised Me, and He is truthful, Glory be to Him, in His saying, “My servant has praised Me,” so the servant must be witnessing himself praising his Lord, and he is truthful .