Catechism of the Catholic Church §1878 — excerpt
All men are called to the same end: God himself. There is a certain resemblance between the union of the divine persons and the fraternity that men are to establish among themselves in truth and love.
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 24 # 3