When I was going through my half-serious Jansenist phase, I read a little bit of Pascal. His famous book against the Jesuits known as the Provinciales is on the Index -- instant excommunication if you read it.
Despite that, I read a couple pages of it thinking "Oh, surely this passed into the domain of history by now." I don't know how the Index works or if what was forbidden for the 17th century is still forbidden today. But then I became too frightened to read any more. I hope I'm not excommunicated! Believe it or not, I actually confessed to having read what little I did read.
All I can say is that he has an arrogant, self-satisfied and sarcastic style of writing. The Provinciales is considered a landmark in French prose because it pretty much invented that snotty kind of verbal one-upsmanship, the dry, withering irony, that was later perfected by Voltaire.
It's not a charitable kind of writing that Catholics should emulate, in my opinion. We should move back towards a more dignified, serious and polite style. I see only ego in this attempt to tear others down to build yourself up.