Catechism of the Catholic Church §1050 — excerpt
"When we have spread on earth the fruits of our nature and our enterprise . . according to the command of the Lord and in his Spirit, we will find them once again, cleansed this time from the stain of sin, illuminated and transfigured, when Christ presents to his Father an eternal and universal kingdom."
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 39 # 3 · St. Cyril of Jerusalem, Catech. illum. 18, 29: PG 33, 1049