CCC 347
© Libreria Editrice Vaticana Source: vatican.va
Creation was fashioned with a view to the sabbath and therefore for the worship and adoration of God. Worship is inscribed in the order of creation. Cf. Gen 1:14. As the rule of St. Benedict says, nothing should take precedence over "the work of God", that is, solemn worship. St. Benedict, Regula 43, 3: PL — Patrologia Latina (Migne). This indicates the right order of human concerns.
Read the full chapter 1. I Believe in God the Father ¶198–421