Summary

Portrait of Thomas Aquinas Thomas Aquinas Summa Theologiae — Question 70 - OF THE QUALITY OF THE SOUL AFTER LEAVING THE BODY, AND THE PUNISHMENT INFLICTED ON IT MATERIAL FIRE…

Now it is evident that certain operations, whereof the soul's powers are the principles, do not belong to the soul properly speaking but to the soul as united to the body, because they are not performed except through the medium of the body---such as to see, to hear, and so forth. Hence it follows that such like powers belong to the united soul and body as their subject, but to the soul as their quickening principle, just as the form is the principle of the properties of a composite being.
Source: Wikisource

Portrait of Thomas Aquinas Thomas Aquinas Summa Theologiae — Question 70 - OF THE QUALITY OF THE SOUL AFTER LEAVING THE BODY, AND THE PUNISHMENT INFLICTED ON IT MATERIAL FIRE…

The powers of the soul are not called its integral but its potential parts. Now the nature of such like wholes is that the entire energy of the whole is found perfectly in one of the parts, but partially in the others; thus in the soul the soul's energy is found perfectly in the intellective part, but partially in the others. Wherefore, as the powers of the intellective part remain in the separated soul, the latter will remain entire and undiminished, although the sensitive powers do not remain actually: as neither is the king's power decreased by the death of a mayor who shared his authority.
Source: Wikisource

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