From Fr. Finigan's blog I learn today of a conference for the fiftieth anniversary of John XXIII's apostolic constitution Veterum sapientia, which urged the study of Latin as a requirement for priestly formation. The same requirement is echoed by the decree on priestly training of Vatican II, Optatam totius. My experience, however, at least where I studied for priesthood and where our men continue to do so, is that no Latin is required. So much for the spirit of Vatican II.
I had to get myself a little Latin because I took an extra year in studies for priesthood and completed an STL, and I have to say that it was one of the best things I ever did for myself as a Catholic Christian. Even a little bit of Latin opens up tremendous vistas in one's awareness of the traditions of western Christianity.
It's too bad that Latin gets so wound up with our factions and disagreements, as if the only reason a seminarian might learn Latin would be so that he could put on a maniple or black vestments or do some other, equally horrifying thing. Latin is a matter of our tradition, not of so-called traditionalism.
When I was at Weston Jesuit it was joked that, in the theological vision of the school, nothing of note had happened in Christianity between the death of St. Paul and the birth of Karl Rahner. Perhaps that wasn't quite fair, but the jab did get at something. But you have to say that without any Latin, those who would be Catholic priests and theologians do cut themselves off from their ancestors in a certain way.
And when it comes to the ministry of sacred orders and the practice of theology, ancestors aren't just ancestors, but the communion of saints. They are worth conversing with in their own words. So learn some Latin.