Freedom of expression has its limits, and those limits include the pope's mama and poking the faith of others. Aboard the papal plane ahead of his trip to the Philippines, Pope Francis addressed the Charlie Hebdo attack by way of pointing to the man at his side, saying, "If my good friend Dr. Gasparri says a curse word against my mother, he can expect a punch." For effect, Francis threw a fake punch his way. "It's normal. You cannot provoke. You cannot insult the faith of others. You cannot make fun of the faith of others." He continues: "They are provocateurs. And what happens to them is what would happen to Dr. Gasparri if he says a curse word against my mother. There is a limit." Other highlights of his remarks, as per the AP: