Summa Theologica

Ia IIae q. 51 : Of The Cause Of Habits, As To Their Formation (Four Articles)

[Letter] [A4] Entire question
[Letter] [A4] 1. Whether any habit is from nature?
[Letter] [A4] 2. Whether any habit is caused by acts?
[Letter] [A4] 3. Whether a habit can be caused by one act?
[Letter] [A4] 4. Whether any habits are infused in man by God?