What Is Divine Illumination?
The early Christian philosopher Augustine (354 – 430) also emphasised the role of divine illumination in our thought, saying that “The mind needs to be enlightened by light from outside itself, so that it can participate in truth, because it is not itself the nature of truth. You will light my lamp, Lord,” and “You hear nothing true from me which you have not first told me.” According to Augustine, God does not give us certain information, but rather gives us insight into the truth of the information we received for ourselves.
- If we both see that what you say is true, and we both see that what I say is true, then where do we see that? Not I in you, nor you in me, but both of us in that unalterable truth that is above our minds.
- Things have existence in the mind, in their own nature (proprio genere), and in the eternal art. So the truth of things as they are in the mind or in their own nature – given that both are changeable – is sufficient for the soul to have certain knowledge only if the soul somehow reaches things as they are in the eternal art.
The doctrine was criticised by John Pecham and Roger Marston, and in particular by Thomas Aquinas, who denied that in this life we have divine ideas as an object of thought, and that divine illumination is sufficient on its own, without the senses. Aquinas also denied that there is a special continuing divine influence on human thought. People have sufficient capacity for thought on their own, without needing “new illumination added onto their natural illumination”.
The theory was defended by Henry of Ghent. Henry argued against Aquinas that Aristotle’s theory of abstraction is not enough to explain how we can acquire infallible knowledge of the truth, and must be supplemented by divine illumination. A thing has two exemplars against which it can be compared. The first is a created exemplar which exists in the soul. The second is an exemplar which exists outside the soul, and which is uncreated and eternal. But no comparison to a created exemplar can give us infallible truth. Since the dignity of man requires that we can acquire such truth, it follows that we have access to the exemplar in the divine mind.
Henry’s defence of divine illumination was strongly criticised by the Franciscan theologian Duns Scotus, who argued that Henry’s version of the theory led to scepticism.
- Stanford Encyclopedia of Philosophy
- De deo Socratis, XVII–XIX)
- Confessions IV.xv.25
- Confessions X.ii.2
- Confessions XII.xxv.35
- De scientia Christi, q.4 resp
- Summa theologiae 1a2ae 109.1c
- A Companion to Philosophy in the Middle Ages, ed. Gracia and Noone
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