Catechism of the Catholic Church §358 — excerpt
God created everything for man, but man in turn was created to serve and love God and to offer all creation back to him: What is it that is about to be created, that enjoys such honour?
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: GS 12 # 1 · 24 # 3 · 39 # 1 · St. John Chrysostom, In Gen. sermo 2, 1: PG 54, 587D-588A