You Cannot Certify Something as True by Comparing it With Itself

The Apostle Paul, here at chapter 10, returns to his main purpose of urging the Corinthians to stop listening to the false brethren among them, stop withholding themselves from him and the true gospel, and specifically he once again, and in more detail this time, admonishes them for judging "according to the flesh." This is what the wicked among them were doing and we can be assured that the same thing happens all around us today.