Catechism of the Catholic Church §2172 — excerpt
God's action is the model for human action. If God "rested and was refreshed" on the seventh day, man too ought to "rest" and should let others, especially the poor, "be refreshed."
This translation is under copyright, so only the cited words are quoted here. Follow the link for the full text. Translation: English translation of the Catechism of the Catholic Church, 2nd ed. (Libreria Editrice Vaticana), as posted at vatican.va.
Also cites: eh 13:15-22