Catechism of the Catholic Church §1827 — excerpt
The practice of all the virtues is animated and inspired by charity, which "binds everything together in perfect harmony"; it is the form of the virtues; it articulates and orders them among themselves; it is the source and the goal of their Christian practice.
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.