The faithful should be made conscious of the preeminence of the Liturgy over any other possible form of legitimate Christian prayer. While sacramental actions are necessary to life in Christ, the various forms of popular piety are properly optional. Such is clearly proven by the Church’s precept which obliges attendance at Sunday Mass. No such obligation, however, has obtained with regard to pious exercises, notwithstanding their worthiness or their widespread diffusion. Such, however, may be assumed