Understanding Divine Mercy Sunday

spirit of prophecy, not for the purpose of setting out new doctrine to be believed, but for the governance of human activities. St. Thomas Aquinas (ST II-II, 176, 6) 13. Popular devotions of the Christian people are warmly commended, provided they accord with the laws and norms of the Church. Such is especially the case with devotions called for by the Apostolic See. Devotions proper to individual churches also have a special dignity if they are conducted by mandate of the bishops in accord with customs or books lawfully approved. Nevertheless these devotions should be so drawn up that they harmonize with the liturgical seasons, accord with the sacred liturgy, are in some fashion derived from it, and lead the people to it, since the liturgy by its very nature far surpasses any of them. Second Vatican Council Constitution on the Sacred Liturgy, #13 The devotions to Jesus, The Divine Mercy, revealed to the Church through the recently canonized Polish mystic, Saint Maria Faustina (Kowalska) of The Most Blessed Sacrament, are perfectly in accord with this relevant directive of the Vatican II Constitution on the Sacred Liturgy.