Catechism of the Catholic Church §2690 — excerpt
The Holy Spirit gives to certain of the faithful the gifts of wisdom, faith and discernment for the sake of this common good which is prayer (spiritual direction).
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: St. John of the Cross, the Living Flame of Love, stanza 3, 30, in The Collected Works of St. John of the Cross, eds K. Kavanaugh OCD · O. Rodriguez OCD (Washington DC: Institute of Carmelite Studies, 1979), 621