Catechism of the Catholic Church §2216 — excerpt
Filial respect is shown by true docility and obedience. "My son, keep your father's commandment, and forsake not your mother's teaching.... When you walk, they will lead you; when you lie down, they will watch over you; and when you awake, they will talk with you."
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.