QUESTION 51

OF THE CAUSE OF HABITS, AS TO THEIR FORMATION

(In Four Articles)

We must next consider the cause of habits: and firstly, as to their

formation; secondly, as to their increase; thirdly, as to their

diminution and corruption. Under the first head there are four points

of inquiry:

(1) Whether any habit is from nature?

(2) Whether any habit is caused by acts?

(3) Whether any habit can be caused by one act?

(4) Whether any habits are infused in man by God?

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Summa Theologica, Part I-II (Pars Prima Secundae) From the Complete American Edition · 第 338 / 746 题