Catechism of the Catholic Church §2685 — excerpt
The Christian family is the first place of education in prayer. Based on the sacrament of marriage, the family is the "domestic church" where God's children learn to pray "as the Church" and to persevere in prayer.
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.