2351
Lust is disordered desire for or inordinate enjoyment of sexual pleasure. Sexual pleasure is morally disordered when sought for itself, isolated from its procreative and unitive purposes.
2514 St. John distinguishes three kinds of covetousness or concupiscence: lust of the flesh, lust of the eyes, and pride of life.301 In the Catholic catechetical tradition, the ninth commandment forbids carnal concupiscence; the tenth forbids coveting anotherâs goods.
2517 The heart is the seat of moral personality: "Out of the heart come evil thoughts, murder, adultery, fornication. . . . "305 The struggle against carnal covetousness entails purifying the heart and practicing temperance:
Remain simple and innocent, and you will be like little children who do not know the evil that destroys manâs life.306