2 Corinthians 12:7 in the King James Version
And lest I should be exalted above measure through the abundance of the revelations, there was given to me a thorn in the flesh, the messenger of Satan to buffet me, lest I should be exalted above measure.
Context
6 For if I would desire to boast, I will not be foolish; for I will speak the truth. But I refrain, so that no man may think more of me than that which he sees in me or hears from me.
7 By reason of the exceeding greatness of the revelations, that I should not be exalted excessively, a thorn in the flesh was given to me: a messenger of Satan to torment me, that I should not be exalted excessively.
8 Concerning this thing, I begged the Lord three times that it might depart from me.