3 We find this disagreement among Belgian Catholics extremely hard to bear, novel as it is, and ill-omened. For prior to this, their mutual agreement always produced salutary effects. Their unity was, of course, clearly evident in the debate on the schools - to mention a recent occurrence. For on that occasion, Catholics of every class were effectively bound together; it was mainly because of this that the affair turned out well, to the dignity of religion and the safety of the young.
Source: Permoti Nos (Vatican.va)