Catechism of the Catholic Church §2206 — excerpt
The relationships within the family bring an affinity of feelings, affections and interests, arising above all from the members' respect for one another. the family is a privileged community called to achieve a "sharing of thought and common deliberation by the spouses as well as their eager cooperation as parents in the children's upbringing."
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.
Also cites: GS 52 # 1