Catechism of the Catholic Church §2555 — excerpt
Christ's faithful "have crucified the flesh with its passions and desires" (Gal 5:24); they are led by the Spirit and follow his desires.
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.