Catechism of the Catholic Church §396 — excerpt
God created man in his image and established him in his friendship. A spiritual creature, man can live this friendship only in free submission to God.
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.