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I must go on boasting.
Although there is nothing to be gained, I will go on to visions and revelations from the Lord.
I know a man in Christ who fourteen years ago was caught up to the third heaven. Whether it was in the body or out of the body I do not know—God knows.
And I know that this man—whether in the body or apart from the body I do not know, but God knows—was caught up to paradise. He heard inexpressible things, things that man is not permitted to tell.
I will boast about a man like that, but I will not boast about myself, except about my weaknesses.
Even if I should choose to boast, I would not be a fool because I would be speaking the truth. But I refrain, so no one will think more of me than is warranted by what I do or say.
To keep me from becoming conceited because of these surpassingly great revelations, there was given me a thorn in my flesh, a messenger of Satan, to torment me.
Three times I pleaded with the Lord to take it away from me.
But he said to me, “My grace is sufficient for you, for my power is made perfect in weakness.” Therefore, I will boast all the more gladly about my weaknesses, so that Christ’s power may rest on me.
That is why, for Christ’s sake, I delight in weaknesses, in insults, in hardships, in persecutions, in difficulties. For when I am weak, then I am strong.

GNT … We do not know what this thorn, or stake, was; whether eye trouble, or imperfect utterance, or some deformity in appearance-but it was the source of much suffering and many temptations.
At first Paul prayed for its removal, but as soon as he learned that its continuance was the condition of receiving additional grace, he not only accepted it, but even gloried in its presence.