The New Motu Proprio: the Antithesis of Authentic Liturgical Development
A new papal motu proprio letter on the liturgy was released today. It’s called Magnum Principium, and in my opinion, it’s a ticking timebomb. But to better understand it, we must first have something to contrast it against. If you’ve ever read Pope St. Pius V’s famous apostolic constitution on liturgy, Quo Primum (1570), you know that the…










