Catechism of the Catholic Church §1693 — excerpt
Christ Jesus always did what was pleasing to the Father, and always lived in perfect communion with him. Likewise Christ's disciples are invited to live in the sight of the Father "who sees in secret," in order to become "perfect as your heavenly Father is perfect."
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.