Summa Theologica

Ia IIae q. 49 : Of Habits in General, As to Their Substance (Four Articles)

[Letter]	[A4]	Entire question
[Letter]	[A4]	1.	Whether habit is a quality?
[Letter]	[A4]	2.	Whether habit is a distinct species of quality?
[Letter]	[A4]	3.	Whether habit implies order to an act?
[Letter]	[A4]	4.	Whether habits are necessary?