“You cannot provoke. You cannot insult the faith of others. You cannot make fun of the faith of others. … There are so many people who speak badly about religions or other religions, who make fun of them, who make a game out of the religions of others. They are provocateurs.”
Statements on his official plane traveling from Sri Lanka to the Philippines, reported in "Pope Francis: 'You cannot make fun of the faith of others (15 January 2015) https://www.youtube.com/watch?v=hSV-GD9gA-U
2010s, 2015
Context: Not only does each person have the freedom and the right to say what they think for the common good, they have a duty to do so. Because while it is true that is wrong to react with violence, If my good friend Mr Gasparri says a curse word against my mother, he can expect a punch in the nose. … It's normal. You cannot provoke. You cannot insult the faith of others. You cannot make fun of the faith of others. … There are so many people who speak badly about religions or other religions, who make fun of them, who make a game out of the religions of others. They are provocateurs. And what happens to them is what would happen to Mr Gasparri if he says a curse word against my mother. There is a limit. … One cannot make war… kill in the name of one’s own religion, that is, in the name of God.
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Pope Francis 113
266th Pope of the Catholic Church 1936Related quotes

Dissertation for doctor of philosophy in christian education (May 25, 1991)

Age and Guile Beat Youth, Innocence, and a Bad Haircut (2005)

Sermon to a prayer meeting in Niger (30 March 2007), quoted in Reuters UK (30 March 2007) "Gaddafi says only Islam a universal religion" by Salah Sarrar
Speeches

Interview with Joseph Pearce, Sr. (2003)
Context: Of course, one cannot declare that only my faith is correct and all other faiths are not. Of course God is endlessly multi-dimensional so every religion that exists on earth represents some face, some side of God. One must not have any negative attitude to any religion but nonetheless the depth of understanding God and the depth of applying God's commandments is different in different religions. In this sense we have to admit that Protestantism has brought everything down only to faith.
Calvinism says that nothing depends on man, that faith is already predetermined. Also in its sharp protest against Catholicism, Protestantism rushed to discard together with ritual all the mysterious, the mythical and mystical aspects of the Faith. In that sense it has impoverished religion.

Television interview with Edward R. Murrow on TV show Small World, CBS-TV (25 March 1959); transcript published in New York Post
Letters and interviews

Apologia Pro Vita Sua [A defense of one's own life] (1864)

1920s, Truth is a Pathless Land (1929)
Context: I maintain that Truth is a pathless land, and you cannot approach it by any path whatsoever, by any religion, by any sect. That is my point of view, and I adhere to that absolutely and unconditionally. Truth, being limitless, unconditioned, unapproachable by any path whatsoever, cannot be organized; nor should any organization be formed to lead or to coerce people along any particular path. If you first understand that, then you will see how impossible it is to organize a belief. A belief is purely an individual matter, and you cannot and must not organize it. If you do, it becomes dead, crystallized; it becomes a creed, a sect, a religion, to be imposed on others. This is what everyone throughout the world is attempting to do. Truth is narrowed down and made a plaything for those who are weak, for those who are only momentarily discontented. Truth cannot be brought down, rather the individual must make the effort to ascend to it. You cannot bring the mountain-top to the valley. If you would attain to the mountain-top you must pass through the valley, climb the steeps, unafraid of the dangerous precipices.