But even if I wanted to boast, I would not be a fool, for I would be speaking the truth. Nevertheless, I refrain so that no one will think more of me than what he sees in me or hears from me. And to keep me from becoming conceited because of the surpassing greatness of the revelations I received, there was given to me a thorn in the flesh, a messenger of Satan to harass me so that I would not become conceited.