Soul
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(Greek psyche; Latin anima; French ame; German Seele).
The question of the reality of the soul and its distinction from the body is among the most important problems of philosophy, for with it is bound up the doctrine of a future life. Various theories as to the nature of the soul have claimed to be reconcilable with the tenet of immortality, but it is a sure instinct that leads us to suspect every attack on the substantiality or spirituality of the soul as an assault on the belief in existence after death. The soul may be defined as the ultimate internal principle by which we think, feel, and will, and by which our bodies are animated. The term "mind" usually denotes this principle as the subject of our conscious states, while "soul" denotes the source of our vegetative activities as well. That our vital activities proceed from a principle capable of subsisting in itself, is the thesis of thesubstantiality of the soul: that this principle is not itself composite, extended, corporeal, or essentially and intrinsically dependent on the body, is the doctrine of spirituality. If there be a life after death, clearly the agent or subject of our vital activities must be capable of an existence separate from the body. The belief in an animating principle in some sense distinct from the body is an almost inevitable inference from the observed facts of life. Even uncivilized peoples arrive at the concept of the soul almost without reflection, certainly without any severe mental effort. The mysteries of birth and death, the lapse of conscious life during sleep and in swooning, even the commonest operations of imagination and memory, which abstract a man from his bodily presence even while awake—all such facts invincibly suggest the existence of something besides the visible organism, internal to it, but to a large extent independent of it, and leading a life of its own. In the rude psychology of the primitive nations, the soul is often represented as actually migrating to and fro during dreams and trances, and after death haunting the neighbourhood of its body. Nearly always it is figured as something extremely volatile, a perfume or a breath. Often, as among theFijians, it is represented as a miniature replica of the body, so small as to be invisible. The Samoans have a name for the soul which means "that which comes and goes". Many peoples, such as the Dyaks and Sumatrans, bind various parts of the body with cords during sickness to prevent the escape of the soul. In short, all the evidence goes to show that Dualism, however uncritical and inconsistent, is the instinctive creed of "primitive man" (see ANIMISM).
The soul in ancient philosophy
Early literature bears the same stamp of
Dualism. In the "Rig-Veda" and other
liturgical books of
India, we find frequent references to the coming and going of
manas (mind or soul). Indian philosophy, whether
Brahminic or
Buddhistic, with its various systems of
metempsychosis, accentuated the distinction of soul and body, making the bodily life a mere transitory episode in the existence of the soul. They all taught the
doctrine of
limited immortality, ending either with the periodic world-destruction (
Brahminism) or with attainment of Nirvana (Buddhism). The
doctrine of a world-soul in a highly abstract form is met with as early as the eighth century before Christ, when we find it described as "the unseen seer, the unheard hearer, the unthought thinker, the unknown knower, the Eternal in which space is woven and which is woven in it."
The soul in Christian thought
Graeco-Roman philosophy made no further progress in the
doctrine of the soul in the age immediately preceding the
Christian era. None of the existing theories had found general acceptance, and in the literature of the period an eclectic spirit nearly akin to Scepticism predominated. Of the strife and fusion of systems at this time the works of Cicero are the best example. On the question of thesoul he is by turns
Platonic and Pythagorean, while he confesses that the
Stoic and Epicurean systems have each an attraction for him. Such was the state of the question in the West at the dawn of
Christianity. In Jewish circles a like uncertainty prevailed. The
Sadducees were
Materialists, denying
immortality and all spiritual existence. The
Pharisees maintained these doctrines, adding
belief in pre-existence and transmigration. The
psychology of the Rabbins is founded on the Sacred Books, particularly the account of the creation of man in Genesis. Three terms are used for the soul:
nephesh, nuah, and
neshamah; the first was taken to refer to the animal and vegetative nature, the second to the
ethical principle, the third to the purely spiritual intelligence. At all events, it is evident that the
Old Testament throughout either asserts or implies the distinct reality of the soul. An important contribution to later Jewish thought was the infusion of
Platonism into it by Philo of
Alexandria. He taught the immediately Divine origin of the soul, its pre-existence and transmigration; he contrasts the
pneuma, or spiritual essence, with the soul proper, the source of vital phenomena, whose seat is the blood; finally he revived the old
Platonic Dualism, attributing the origin of
sin and
evil to the union of spirit with matter.
The soul in modern thought
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.