Chapter II: On the Distinction of Sins

St. Thomas, 1.2, q. 72; St. Alphonsus, V, 31; ed. G., II, p. 732; H. Ap., III, 55; Lugo, de Poenit., disp. 16; Aertnys, l. I, n. 220; Lehmkuhl, I, n. 348; D'Annibale, Summula Theol., I, n. 278 seqq.; Gopfert, Moralth., vol. I, § 37.

323. The Council of Trent teaches (Sess. XIV, c. 7) that by divine right there must be declared in confession both the species and the species-changing circumstances of sins, and their number. Hence sins must carefully be distinguished: 1. according to moral species; 2. according to number.