Catechism of the Catholic Church §2450 — excerpt
"You shall not steal" (Ex 20:15; Deut 5:19). "Neither thieves, nor the greedy, nor robbers will inherit the kingdom of God" (1 Cor 6:10).
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.