A Topic of Moral Theology

Strengthening and Weakening of Habits

How habits grow by exercise and fail through disuse or contrary acts.

In the index as Habit · Habits · Virtue is a good habit · Acquisition · Diminution · God · Increase · Inheritance · Loss

In the manuals

Moral Theology: A Complete Course (McHugh & Callan)

Vol. I, Pt. I, Q. II, Art. 1. Habits in General, Strengthening and Weakening of Habits, nn. 137, 138 & 139 (3 passages — hover a number to read it)

Synopsis of Moral and Pastoral Theology

Vol. II, Fundamental Moral Theology…, On Virtues in Common, nn. 600–613 (14 passages)

Manuale Theologiae Moralis

Vol. I, Pt. I, Tract VI. On Virtues In Ge…, Preliminary Chapter. On Habits In General, nn. 438, 439, 440, 441 & 442 (5 passages — hover a number to read it)

Summa Theologiae Moralis

Vol. I, General Moral Theology, Treatise: On Habits and Vi…, First Part: On Habits in G…, Question One: On the Essence of Habit, nn. ¶1, 559, 560, 561 & 562 (17 passages — hover a number to read it)

Vol. I, General Moral Theology, Treatise: On Habits and Vi…, First Part: On Habits in G…, Question Three: On the Cause of Habits, nn. ¶1, 566, 567, 568, 569, 570, 571 & 572 (21 passages — hover a number to read it)

Four-Square; or, The Cardinal Virtues

Rickaby, Four-Square, I. Virtue in General, nn. ¶14, ¶15 & ¶16 (3 passages — hover a number to read it)

Treated under the broader heading Virtue in General — Wouters, Manual of Moral Theology · Bucceroni, Institutions of Moral Theology · Gury-Ballerini, Compendium of Moral Theology (8th ed., 1884) · Vermeersch, Theologia Moralis · Marc, Institutiones Morales · Konings, Theologia Moralis · Sabetti-Barrett, Compendium of Moral Theology · Billuart, Summa Summae · Spirago · Coppens, Moral Philosophy — these works do not divide the matter as finely as we do here, so their treatment stands one heading up (ed.)