Catechism of the Catholic Church §1844 — excerpt
By charity, we love God above all things and our neighbor as ourselves for love of God. Charity, the form of all the virtues, "binds everything together in perfect harmony" (Col 3:14).
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.