Summary

Portrait of Thomas Aquinas Thomas Aquinas Summa Theologiae — Question 46 - THE PASSION OF CHRIST…

But the parts of a soul are its faculties. So, then, the whole soul is said to suffer in so far as it is afflicted as to its essence, or as to all its faculties. But it must be borne in mind that a faculty of the soul can suffer in two ways: first of all, by its own passion; and this comes of its being afflicted by its proper object; thus, sight may suffer from superabundance of the visible object. In another way a faculty suffers by a passion in the subject on which it is based
Source: Wikisource

Portrait of Thomas Aquinas Thomas Aquinas Summa Theologiae — Question 46 - THE PASSION OF CHRIST…

The pain of a suffering, separated soul belongs to the state of future condemnation, which exceeds every evil of this life, just as the glory of the saints surpasses every good of the present life. Accordingly, when we say that Christ's pain was the greatest, we make no comparison between His and the pain of a separated soul. But Adam's body could not suffer, except he sinned.
Source: Wikisource

Portrait of Thomas Aquinas Thomas Aquinas Summa Theologiae — Question 46 - THE PASSION OF CHRIST…

It would seem that there was some other more suitable way of delivering the human race besides Christ's Passion. For nature in its operation imitates the Divine work, since it is moved and regulated by God. But nature never employs two agents where one will suffice. Therefore, since God could have liberated mankind solely by His Divine will, it does not seem fitting that Christ's Passion should have been added for the deliverance of the human race.
Source: Wikisource

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