Catechism of the Catholic Church §2403 — excerpt
The right to private property, acquired by work or received from others by inheritance or gift, does not do away with the original gift of the earth to the whole of mankind.
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.