Catechism of the Catholic Church §1743 — excerpt
"God willed that man should be left in the hand of his own counsel (cf Sir 15:14), so that he might of his own accord seek his creator and freely attain his full and blessed perfection by cleaving to him" (GS 17 # 1).
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.