CCC 2514
© Libreria Editrice Vaticana Source: vatican.va
St. John distinguishes three kinds of covetousness or concupiscence: lust of the flesh, lust of the eyes, and pride of life. Cf. 1 Jn 2:16. In the Catholic catechetical tradition, the ninth commandment forbids carnal concupiscence; the tenth forbids coveting another's goods.
Read the full chapter 2. You Shall Love Your Neighbor as Yourself ¶2196–2557