Catechism of the Catholic Church §1832 — excerpt
The fruits of the Spirit are perfections that the Holy Spirit forms in us as the first fruits of eternal glory. the tradition of the Church lists twelve of them: "charity, joy, peace, patience, kindness, goodness, generosity, gentleness, faithfulness, modesty, self-control, chastity."
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.