suzydoll
Cheneyville, LA
age: 62
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Modern speculations respecting the soul have taken two main directions, Idealism and Materialism. Agnosticism need not be reckoned as a third and distinct answer to the problem, since, as a matter of fact, all actual agnosticisms have an easily recognized bias towards one or other of the two solutions aforesaid. Both Idealism and Materialism in present-day philosophy merge into Monism, which is probably the most influential system outside the Catholic Church.
History
Descartes conceived the soul as essentially thinking (i.e. conscious) substance, and body as essentially extended substance. The two are thus simply disparate realities, with no vital connection between them. This is significantly marked by his theory of thesoul's location in the body. Unlike the Scholastics he confines it to a single point -- the pineal gland -- from which it is supposed to control the various organs and muscles through the medium of the "animal spirits", a kind of fluid circulating through the body. Thus, to say the least, the soul's biological functions are made very remote and indirect, and were in fact later on reduced almost to a nullity: the lower life was violently severed from the higher, and regarded as a simple mechanism. In the Cartesian theory animals are mere automata. It is only by the Divine assistance that action between soul and body is possible. The Occasionalists went further, denying all interaction whatever, and making the correspondence of the two sets of facts a pure result of the action of God. The Leibnizian theory of Pre-established Harmony similarly refuses to admit any inter-causal relation. The superior monad (soul) and the aggregate of inferior monads which go to make up the body are like two clocks constructed with perfect art so as always to agree. They register alike, but independently: they are still two clocks, not one. This awkward Dualism was entirely got rid of by Spinoza. For him there is but one, infinite substance, of which thought and extension are only attributes. Thought comprehends extension, and by that very fact shows that it is at root one with that which it comprehends. The alleged irreducible distinction is transcended:soul and body are neither of them substances, but each is a property of the one substance. Each in its sphere is the counterpart of the other. This is the meaning of the definition, "Soul is the Idea of Body". Soul is the counterpart within the sphere of the attribute of thought of that particular mode of the attribute of extension which we call the body. Such was the fate of Cartesianism.
English Idealism had a different course. Berkeley had begun by denying the existence of material substance, which he reduced merely to a series of impressions in the sentient mind. Mind is the only substance. Hume finished the argument by dissolving mind itself into its phenomena, a loose collection of "impressions and ideas". The Sensist school (Condillac etc.) and the Associationists (Hartley, the Mills, and Bain) continued in similar fashion to regard the mind as constituted by its phenomena or "states", and the growth of modern positive psychology has tended to encourage this attitude. But to rest in Phenomenalism as a theory is impossible, as its ablest advocates themselves have seen. Thus J.S. Mill, while describing the mind as merely "a series [i.e. of conscious phenomena] aware of itself as a series", is forced to admit that such a conception involves an unresolved paradox. Again, W. James's assertion that "the passing thought is itself the Thinker", which "appropriates" all past thoughts in the "stream of consciousness", simply blinks the question. For surely there is something which in its turn "appropriates" the passing thought itself and the entire stream of past and future thoughts as well, viz. the self-conscious, self-asserting "I" the substantial ultimate of our mental life. To be in this sense "monarch of all it surveys" in introspective observation and reflective self-consciousness, to appropriate without itself being appropriated by anything else, to be the genuine owner of a certain limited section of reality (the stream of consciousness), this is to be a free and sovereign (though finite) personality, a self-conscious, spiritual substance in the language of Catholic metaphysics.
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