Catechism of the Catholic Church §2224 — excerpt
The home is the natural environment for initiating a human being into solidarity and communal responsibilities. Parents should teach children to avoid the compromising and degrading influences which threaten human societies.
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.