The agnosticism of Kant regarding the noumenon

I’ve never read anyone so difficult to understand as Kant, but his importance serves as a goad to persist… If anyone reading this is a Kantian or a Kant scholar, please feel free to correct me if what I’m saying here is either inaccurate or contested. Anyway, as I quoted in a previous post, Etienne Gilson writes, “Today our only choice is not Kant or Descartes; it is rather Kant or Thomas Aquinas. All the other positions are but halfway houses on the roads which lead either to absolute religious agnosticism or to the natural theology of Christian metaphysics” (God and Philosophy p. 114). In §32 of the Prolegomena, Kant refers to “special beings of the understanding (noumena), which are supposed to constitute an intelligible world.” He grants the possibility of the existence of such beings “but only with the enforcement of this rule that admits of no exception: that we neither know nor can know anything at all determinate about these pure beings of the understanding, because our pure concepts of the understanding as well as our pure intuitions extend to nothing but objects of possible experience” (i.e., extend to the realms of Newtonian physics). Here is Kant’s agnosticism regarding intellectual beings. Kant’s interest is not that we be conformed to the totality of what is real as much as we are able (in conduct and thought) but that we ourselves process our intuitions rendering them into experience which is in accordance with the laws of Newtonian physics (the principles of which reside in us a priori). I would like to contrast what Kant regards as being our own a priori understanding which is able to order our intuitions as coherent experience with Aquinas’ notion (h/t Aristotle) of the “agent intellect” (i.e., the proper active principle). The agent intellect renders intelligible all sensory experience received by the “possible intellect” (i.e., the passive principle). Aquinas’ cognitive theory has the interaction between active and passive principles as foundational to all reality. In Kant there is also an interaction between active and passive principles, but where the natural theology of Aquinas gives us the ability to say something “positive” about the objects external to us, in Kant we have external to us something real but we know not what (“we are not discussing the origin of experience, but what lies in experience” §21a). Kant’s agnosticism regarding “special beings” extends to the very origins of our intuition. While they are ‘real’ we can’t know them. So, there is an activity of some sort, as without it our intuitions receive nothing whatsoever, but his philosophical commitments don’t allow him to express anything confident or positive about what constitutes that activity.

Hume’s skepticism and human epistemological interdependence

Hume pushes philosophical skepticism to the utmost limits, and in so doing serves to illustrate perhaps what Locke anticipated in his caution regarding total skepticism. Hume does recognize that he must make an effort to safeguard his humanity–his participation in human community—while exercising his philosophical skepticism. He knows that man is a sociable no less than a reasonable being [and] man is also an active being (An Enquiry Concerning Human Understanding, Section I). There is an intentionality to his words when he says, Be a philosopher, but amid all your philosophy, be still a man (Enquiry, I). His own remarks underline that his philosophical method if embraced tends to fragment how humans engage with and think about, the world. He makes a distinction between approaching life as an agent and as a philosopher (Enquiry, IV, 2). One area where this fragmentation is acute is in his understanding regarding the nature of belief. He states in philosophy we can go no further than assert that belief is something felt by the mind which distinguishes the ideas of the judgment from the fictions of the imagination (Enquiry, V, 2). However, this understanding of belief excludes the key component of relationship which most people, if given a chance to consider what they mean when they say they believe in something, implicitly recognize. Josef Pieper speaks philosophically from within the perennial stream when he states that the reason for believing “something” is that one believes “someone” (Faith, Hope, Love, p. 30). Hume’s philosophical skepticism often excludes “the other”. For example, he says, suppose a person, though endowed with the strongest faculties of reason and reflection be brought on a sudden into this world… He would not be able to reach the idea of cause and effect (Enquiry V, 1). But, of course, this is not how people ever enter into the world, and we cannot come to learn anything about this world unless we first “believe” someone who “knows” something about it and communicates that knowledge to us. I think Hume’s definition of belief, his philosophical skepticism which excludes this notion of a relationship of trust with a knower, and his comprehensive denial regarding the legitimacy of the testimony of others in gaining knowledge (Enquiry X, 1), have a corrosive effect on our understanding of what it means to be a human in community.

It’s either Thomas Aquinas or Immanuel Kant…

According to Etienne Gilson anyway…

“Today our only choice is not Kant or Descartes; it is rather Kant or Thomas Aquinas. All the other positions are but halfway houses on the roads which lead either to absolute religious agnosticism or to the natural theology of Christian metaphysics” (God and Philosophy, p. 114).

You may purchase Gilson’s book by following this link.

A connection between Locke and Aquinas regarding the limits of human perception and understanding

Locke states, “There is not so contemptible a plant or animal that does not confound the most enlarged understanding” (Essay Concerning Human Understanding Bk III, VI, 9).  Later he says, “how, vain… it is to expect demonstration and certainty in things not capable of it, and refuse assent to very rational propositions… because they cannot be made out so evident as to surmount every… pretense of doubting” (Essay Bk IV, XI, 10). Locke then establishes belief as a way to “supply our want of knowledge.” The grounds for believing which Locke gives, especially the second being “the testimony of others…” has implications regarding the intellectual defensibility of the Christian faith.

Aquinas wrote something regarding how the limits of our powers of perception and understanding ought to not result in skepticism of anything that cannot be demonstrated, especially in relation to the Christian faith. In the Prologue of his exposition of the Apostles’ Creed ( he answers the question “what is faith?” Aquinas says, “But someone will say that it is foolish to believe what is not seen, and that one should not believe in things that he cannot see. I answer by saying that the imperfect nature of our intellect takes away the basis of this difficulty. For if man of himself could in a perfect manner know all things visible and invisible, it would indeed be foolish to believe what he does not see. But our manner of knowing is so weak that no philosopher could perfectly investigate the nature of even one little fly.” Given our limited experience and understanding we must often “partake” in the knowledge of a knower. This involves a humble recognition of the limits of our experience and knowledge, and a willingness to be in a relationship of trust with our fellow human beings who have experience and knowledge which we have not. Ultimately, according to Aquinas and Locke, it must direct us to trust in God and his revelation.

Aquinas studies – Can there be a conflict between natural and divine law?

On one level, no there can be no conflict between natural and divine law. However, there may be conflict between the two in how they are embodied on an individual or cultural level. There may also be the appearance of conflict if we don’t properly distinguish the principles from the proper conclusions.

For an excellent introductory guide to Aquinas follow this link.

Human beings, in having a natural inclination to “the fitting act and end”– which is ultimately “eternal reason” — exhibit in our rational and creaturely existence, a participatory relationship between natural law and divine law (Thomas Aquinas: Selected Writings, Penguin Books., London 1998, p. 620). The rational recognition and obedience to natural law is the means by which we participate in the divine law (p. 620). Our rational natures, our desire and ability to contemplate about things beyond the merely material, and to concern ourselves with things not merely limited to material well-being, should provide us with a hint that the “fitting act and end” exceeds our material or natural capacities. For this reason, God gives us divine law. Thomas gives four reasons for God revealing to us his divine law. First, as our ultimate end exceeds our natural capacity in being directed towards “eternal happiness” we need divine direction in order to attain our ultimate end. Second, we are not accurately able to judge on “contingent and particular things” and so we require certitude of judgement which can only come from God. Thirdly, as our “fitting act and end” involves our interior intellectual lives, natural law is not adequate to govern or “restrain interior acts.” Fourth, in order for there to be final clarity and justice in the mixture of practical and particular judgements, all things will ultimately be judged according to divine law (p. 623).

In none of these things is there a conflict between natural and divine law. The one serves as a floor upon which we may, by the light of faith, break through the ceiling of our materiality and apprehend and participate in divine law. And as God is simple/holy and infinitely Good, it is not possible for the principles originating in him and sustained by him to be in conflict. “God through his wisdom is the maker of the universe of things… the notion of divine wisdom moving all things to their fitting end takes on the note of law… the eternal law is nothing other than the idea of divine wisdom insofar as it is directive of all acts and movements” (p. 633).

However, in terms of how human beings exhibit this participatory relationship between natural law and divine law, there is conflict. While human affairs are subject ultimately to eternal law, in both our knowledge and our actions we are in varying degrees “imperfect” and “corrupt” (p. 640). Insofar as our knowledge of eternal law and natural knowledge are obscured by “passions and the habit of sin” a holy/perfect participatory relationship between natural law and divine law is “defective” (p. 640-641). The conflict is in proportion to how “bad” one is. On the other hand, “the good are perfectly subject to the eternal law, as always fulfilling it” (p 641). Also, there may be failure in this regard in terms of “rectitude” (there may be an impediment in nature (e.g., are psychopaths born that way?) and knowledge (if one’s reason has been “depraved” by bad customs, or a “bad cast of nature”). This is to say that there may be a general culture which depraves or malforms us in relation to specific moral principles (p. 649). Finally, a conflict may arise as a consequence of prolonged damage to the human heart. This may be a result of “bad persuasion” regarding speculative matters, depraved customs, or corrupt habits. Such things may result in the natural law being “erased from the hearts of men” (p. 652).

Finally, there may be the appearance of conflict if we don’t distinguish between the common principles and the proper conclusions (i.e., secondary precepts or particular applications). Whereas there is “the same truth or rectitude for all “in reference to “common principles of reason” (e.g., “one cannot simultaneously affirm and deny something” p. 644) this does not mean that everyone knows matters pertaining to “proper conclusions” of speculative reason to the same degree (e.g., the outworking of speculative reason resulting in specific of geometrical definitions not known to all). Neither do the common principles work themselves out in a uniformed way, as the “proper conclusions” of practical reason will vary depending upon the specific circumstances (p. 648). Also, relating to the reality of circumstantial and cultural change, whereas the “common principles of reason” are immutable, the natural law may change by way of addition or subtraction in reference to particular contexts or situations (p. 650). This addition or subtraction will, if proper and good, leave the common principles uncorrupted, but effect the proper conclusions in a generally applicable way for a particular culture. For example, the principle of “everyone should act according to reason” results in the proper conclusion regarding terms of borrowing goods and returning them to the rightful owner. However, there may be culturally or regionally unique circumstances that may make the terms of borrowing (and the rectitude of returning them) different (p. 648). For example, in peacetime, a scythe has simpler associations than during a time of war. It may be right not to return such a tool during wartime if it threatens the safety of the owner or others. If we don’t keep the difference between the common principles and the proper conclusions clear, we may think there is a conflict between natural law and divine law, when in fact there is only a difference in the outworking of natural and divine law in a local or individual context.

Comparing Thomas Aquinas and Aristotle’s conception of the human good.

Whereas both Thomas and Aristotle would agree that “the ultimate end of man, as of any intellectual substance, is called felicity or happiness” there is a profound difference between them regarding in what that happiness consists. The difference between Thomas and Aristotle’s accounts of the human good boils down to the difference between Thomas’ Christianity (grace and faith) and Aristotle’s virtuous paganism (the integrated intellectual life at its humanly best).

For an excellent introductory guide to Aquinas follow this link.
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Aquinas studies – happiness is found in an act of the intellect rather than an act of the will.

Thomas agrees with Aristotle regarding in what faculty happiness is found. Aristotle limits the state of happiness to those beings which have the capacity for rational thought. He says, “Happiness is an activity of the [rational] soul” (Aristotle, Nicomachean Ethics, 1100a15). Thomas echoes and expands on this when he says “happiness is the proper good of the intellectual nature” (Thomas Aquinas: Selected Writings, Penguin Books., London 1998, p 268).

For an excellent introductory guide to Aquinas follow this link.

Arriving at the link between ‘happiness,’ ‘the proper good,’ and the ‘intellectual nature’ occurs after discounting the various misconceptions regarding what happiness/the proper good are, namely physical pleasure, honour, wealth and any other pursuits which are not ‘self-sufficient’ but rather transitory and contingent. Also, finding happiness in the intellect involves recognizing that the intellect is our highest faculty. As sight is are our highest sensory faculty by which we are able most accurately to perceive the world around us, so our intellects are our highest faculty, enabling us to understand the world around us. Happiness and the proper good are bound up with our telos. It is the intellectual nature which is the specific difference between humans and all other created compound beings (the imago dei), and thus our happiness is to be found in relation to our intellectual nature. Thus, true happiness for us is to be found in intellectual activities directed towards God. “God is the ultimate end of the intellectual substance and that operation whereby a man first attains God is said to be substantially his happiness or felicity” (Aquinas, Selected Writings, p. 270). This ‘attaining’ is some kind of intellectual sight – the Beatific Vision.
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Forms and healing come by nature but knowledge from God is “teaching within” – the active and passive principles at play in human life

Forms come by nature. Thomas says, “certain seeds of the sciences pre-exist in us, namely, the first conceptions of the intellect which are known right away by the light of the agent intellect through species abstracted from sensible things” (Thomas Aquinas: Selected Writings, Penguin Books., London 1998, p.198). The pre-existent seeds Thomas is referring to are those images which we passively receive by our senses and naturally actively abstract to some degree by way of our inherent agent intellect. Our agent intellect is created to function commensurately with our senses as it interacts with nature. The agent intellect is the active principle in our intellect that abstracts, or processes, all our sensory data, rendering them to our memories (passive intellect) for further consideration (if we want).

For an excellent introductory guide to Aquinas follow this link.

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Aquinas studies: if we cannot know the essence of God, how can there be a science of divine things?

The notion that there can be a science of divine things does not negate Thomas’ statements regarding how we are unable to know the essence of God. A science of divine things is possible so long as we are clear regarding what we actually can and cannot know, and how the science of divine things proceeds.

For an excellent introductory guide to Aquinas follow this link.

First of all, only God can know his own essence. In fact, he knows himself “through his essence” (Thomas Aquinas: Selected Writings, Penguin Books., London 1998. p. 116). In other words, only God can truly know himself, as it is his essence to do so. The science of divine things must proceed from this basic understanding, namely, we cannot essentially know God. This does not mean, however, that we cannot in any way come to know God (as we will see).

Secondly, in terms of human reason, according to Thomas we can approach knowledge of God referring to the fact of his existence (and not of what he is). This can be done in three ways: 1) observing his effects in creation; 2) understanding his causality of “more noble effects” which grants a “better display of his eminence”, and; 3) in a negative sense we understand more clearly how he transcends all things and defies definition (Thomas quotes Dionysius, “he is known as the cause, the excess and negation of all things” – (Aquinas, Selected Writings, p. 117).
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Aquinas’ view of the possible errors in ‘investigating’ God using natural reason

It is good and right to direct everything in our being towards God and union with him (including our intellects). However, errors are possible.

1) Presumption: in directing our intellect towards God we should not presume that we can comprehend God as we may be able to comprehend other aspects of creation (Thomas Aquinas, Thomas Aquinas Selected Writings, ed. by Ralph McInerny. Penguin Books: New York, 1998. p. 128).

For an excellent introductory guide to Aquinas follow this link.

2) Placing reason before faith in the directing of ourselves to God and to union with him. As God is incomprehensible to our intellects, and yet we are to direct everything towards him, we must “Begin by believing” (Aquinas, Selected Writings, p. 128). Believing is to hold something as real and true on the basis of what a knower tells us, so belief is the way we are able to transcend our intellects by receiving from God his self-revelation. This self-revelation is an outflow of God’s love towards us and thus the extent and form of his self-revelation is suited to our capacity. “Every creature is moved as to be made more and more like God insofar as it can be” (Aquinas, Selected Writings, p. 129). This movement happens through “infused faith” (Aquinas, Selected Writings, p. 131).
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