198 Readily provide the young clerical student with facilities to understand the sacred ceremonies, to appreciate their majesty and beauty and to learn the rubrics with care, just as you do when he is trained in ascetics, in dogma and in a canon law and pastoral theology. This should not be done merely for cultural reasons and to fit the student to perform religious rites in the future, correctly and with due dignity, but especially to lead him into closest union with Christ, the Priest, so that he may become a holy minister of sanctity.
Source: Mediator Dei (Vatican.va)