Catechism of the Catholic Church §2446 — excerpt
St. John Chrysostom vigorously recalls this: "Not to enable the poor to share in our goods is to steal from them and deprive them of life.
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: St. John Chrysostom, Hom. in Lazaro 2, 5: PG 48, 992 · AA 8 # 5 · St. Gregory the Great, Regula Pastoralis. 3, 21: PL 77, 87