Catechism of the Catholic Church §1835 — excerpt
Prudence disposes the practical reason to discern, in every circumstance, our true good and to choose the right means for achieving it.
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.