Rorate Caeli

Mediator Dei - 60th Anniversary


...while We derive no little satisfaction from the wholesome results of the [Liturgical] movement ..., duty obliges Us to give serious attention to this "revival" as it is advocated in some quarters, and to take proper steps to preserve it at the outset from excess or outright perversion.

Indeed, though we are sorely grieved to note, on the one hand, that there are places where the spirit, understanding or practice of the sacred liturgy is defective, or all but inexistent, We observe with considerable anxiety and some misgiving, that elsewhere certain enthusiasts, over-eager in their search for novelty, are straying beyond the path of sound doctrine and prudence. Not seldom, in fact, they interlard their plans and hopes for a revival of the sacred liturgy with principles which compromise this holiest of causes in theory or practice, and sometimes even taint it with errors touching Catholic faith and ascetical doctrine.
Pius XII
Mediator Dei, 7-8
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Two years after the end of hostilities in Europe, Pope Pius XII, considering the several and growing abuses of the corrupt wing which was threatening to engulf the Liturgical Movement -- abuses which had multiplied in intensity during the 1930s and in the war years, particularly in the Germany he knew so well and loved so much, in Belgium, and in France -- decided that the time had come for the Apostolic See to take control of the Movement once again and to deter and subdue its bizarre deviations.

More than forty years had passed since the stern measures by which Pope Saint Pius X (whom Pope Pacelli would soon beatify and canonize) successfully tamed the great impulses which had characterized the Liturgical Movement since its beginnings in the previous century and guided them towards its true Traditional end: "the sanctity and dignity of the temple, in which the faithful assemble for no other object than that of acquiring this spirit from its foremost and indispensable font, which is the active participation in the most holy mysteries and in the public and solemn prayer of the Church" (Motu proprio Tra le Sollecitudini, 1903).

It was clear to Pius XII that the worst aspects of Modernism (as well as several Jansenist ideas on Sacred Liturgy) had infiltrated the Liturgical Movement. Or rather: the measures adopted by Saint Pius X against Modernists had been so successful at driving them underground that their worst ideas survived only as corruptions of the Liturgical Movement. Mediator Dei was, then, a solemn gesture to hold in place and within the limits of orthodoxy the centrifugal forces which were causing increasing distress and scandal throughout the Church.

Yet, it would not be appropriate to limit the scope of this majestic encyclical to the abuses of the Liturgical Movement. It was, first and foremost, the definitive and unsurpassed Papal document on Sacred Liturgy, as current today as it was then, as we will examine in detail in the next few weeks.