For if a man think himself to be something, when he is nothing, he deceiveth himself.
Ver. 3. Think himself to be something] The self-deceiver takes his counter, and sets it up for a thousand pound, as the Pharisees and Laodiceans. Of such it may be said, as Quintilian somewhere of some overweeners of themselves, that they might have proved excellent scholars if they had not been so persuaded already.