Ha, that's nothing. What's really true is that the Pope is infallible. That means god won't let him make mistakes. Absolutely. He's not allowed.
Popes were kind of shy up until about the year 1870 when Pope Pius IX just came flat out and admitted it. "I am infallible", he said. "As a matter of act, all the popes were infallible. They just didn't come right out and say it. They thought it might sound kind of presumptuous. But to hell with false humility, I say. We just can't make mistakes in theology. Mind you, my math is kind of shaky, and Geography was never my strong point, and physics -- well, the less said about that the better. But when it comes to faith, man, I'm the world authority. I trump the bible. And don't you forget it, either."
So. There you have it. The pope is infallible. We know this because he said so. And it's retroactive. He can explain exactly what those annoying contradictions in the bible really meant, but for some reason didn't quite say. And if he blots his copybook with that little minx of an altarboy, very seductive type, that little fellow, very unnaturally precocious, the very sort that Satan might put in his way to tempt him. Anyhow, makes no diff. He's infallible, not impeccable.
So don't even think of falling him, but it's okay to peck him.
Oh, and how did the Pope find out he's infallible? Well, god told him, of course. And how did the Pope know for sure the voice he heard was god's?
Well, duh! Because he's infallible! He simply cannot err in matters of faith, like was the voice really god's.
