Summa Theologica

IIIa q. 88 : Of The Return Of Sins Which Have Been Taken Away By Penance (Four Articles)

[Letter] [A4] Entire question
[Letter] [A4] 1. Whether sins once forgiven return through a subsequent sin?
[Letter] [A4] 2. Whether sins that have been forgiven, return through ingratitude which is shown especially in four kinds of sin?
[Letter] [A4] 3. Whether the debt of punishment that arises through ingratitude in respect of a subsequent sin is as great as that of the sins previously pardoned?
[Letter] [A4] 4. Whether the ingratitude whereby a subsequent sin causes the return of previous sins, is a special sin?