Summa Theologica

IIa IIae q. 76 : Of Cursing (Four Articles)

[Letter] [A4] Entire question
[Letter] [A4] 1. Whether it is lawful to curse anyone?
[Letter] [A4] 2. Whether it is lawful to curse an irrational creature?
[Letter] [A4] 3. Whether cursing is a mortal sin?
[Letter] [A4] 4. Whether cursing is a graver sin than backbiting?