In politics, they call it going "off message." In acting, they call it going "off script." In the Catholic Church under Pope Francis, it has become business as usual.
Put the 77-year-old pontiff in front of a microphone, and he will make news.
Case in point, a brief press conference on Monday aboard the papal plane from the Philippines to Rome, when Francis sounded off, in his very unpope-like way, on birth control, corruption and kicking grifters where the sun don't shine.
Here are those and several other eye-opening comments from Francis over his nearly two years as pope.