one reading out of a book of Anaxagoras, that mind is the cause of all things. And he said to himself: If mind is the cause of all things, surely mind must dispose them all for the best. The new teacher will show me this 'order of the best' in man and nature. How great had been his hopes and how great his disappointment! For he found that his new friend was anything but consistent in his use of mind as a cause, and that he soon introduced winds, waters, and other eccentric notions. (Compare Arist. Metaph.) It was as if a person had said that Socrates is sitting here because he is made up of bones and muscles, instead of telling the true reason—that he is here because the Athenians have thought good to sentence him to death, and he has thought good to await his sentence. Had his bones and muscles been left by him to their own ideas of right, they would long ago have taken themselves off. But surely there is a great confusion of the cause and condition in all this. And this confusion also leads people into all sorts of erroneous theories about the position and motions of the earth. None of them know how much stronger than any Atlas is the power of the best. But this 'best' is still undiscovered; and in enquiring after the cause, we can only hope to attain the second best.
Now there is a danger in the contemplation of the nature of things, as there is a danger in looking at the sun during an eclipse, unless the precaution is taken of looking only at the image reflected in the water, or in a glass. (Compare Laws; Republic.) 'I was afraid,' says Socrates, 'that I might injure the eye of the soul. I thought that I had better return to the old and safe method of ideas. Though I do not mean to say that he who contemplates existence through the medium of ideas sees only through a glass darkly, any more than he who contemplates actual effects.'
If the existence of ideas is granted to him, Socrates is of opinion that he will then have no difficulty in proving the immortality of the soul. He will only ask for a further admission:—that beauty is the cause of the beautiful, greatness the cause of the great, smallness of the small, and so on of other things. This is a safe and simple answer, which escapes the contradictions of greater and less (greater by reason of that which is smaller!), of addition and subtraction, and the other difficulties of relation. These subtleties he is for leaving to wiser heads than his own; he prefers to test ideas by the consistency of their consequences, and, if asked to give an account of them, goes back to some higher idea or hypothesis which appears to him to be the best, until at last he arrives at a resting-place. (Republic; Phil.)
The doctrine of ideas, which has long ago received the assent of the Socratic circle, is now affirmed by the Phliasian auditor to command the assent of any man of sense. The narrative is continued; Socrates is desirous of explaining how opposite ideas may appear to co-exist but do not really co-exist in the same thing or person. For example, Simmias may be said to have greatness and also smallness, because he is greater than Socrates and less than Phaedo. And yet Simmias is not really great and also small, but only when compared to Phaedo and Socrates. I use the illustration, says Socrates, because I want to show you not only that ideal opposites exclude one another, but also the opposites in us. I, for example, having the attribute of smallness remain small, and cannot become great: the smallness which is in me drives out greatness.
One of the company here remarked that this was inconsistent with the old assertion that opposites generated opposites. But that, replies Socrates, was affirmed, not of opposite ideas either in us or in nature, but of opposition in the concrete—not of life and death, but of individuals living and dying. When this objection has been removed, Socrates proceeds: This doctrine of the mutual exclusion of opposites is not only true of the opposites themselves, but of things which are inseparable from them. For example, cold and heat are opposed; and fire, which is inseparable from heat, cannot co-exist with cold, or snow, which is inseparable from cold, with heat. Again, the number three excludes the number four, because three is an odd number and four is an even number, and the odd is opposed to the even. Thus we are able to proceed a step beyond 'the safe and simple answer.' We may say, not only that the odd excludes the even, but that the number three, which participates in oddness, excludes the even. And in like manner, not only does life exclude death, but the soul, of which life is the inseparable attribute, also excludes death. And that of which life is the inseparable attribute is by the force of the terms imperishable. If the odd principle were imperishable, then the number three would not perish but remove, on the approach of the even principle. But the immortal is imperishable; and therefore the soul on the approach of death does not perish but removes.
Thus all objections appear to be finally silenced. And now the application has to be made: If the soul is immortal, 'what manner of persons ought we to be?' having regard not only to time but to eternity. For death is not the end of all, and the wicked is not released from his evil by death; but every one carries with him into the world below that which he is or has become, and that only.
For after death the soul is carried away to judgment, and when she has received her punishment returns to earth in the course of ages. The wise soul is conscious of her situation, and follows the attendant angel who guides her through the windings of the world below; but the impure soul wanders hither and thither without companion or guide, and is carried at last to her own place, as the pure soul is also carried away to hers. 'In order that you may understand this, I must first describe to you the nature and conformation of the earth.'
Now the whole earth is a globe placed in the centre of the heavens, and is maintained there by the perfection of balance. That which we call the earth is only one of many small hollows, wherein collect the mists and waters and the thick lower air; but the true earth is above, and is in a finer and subtler element. And if, like birds, we could fly to the surface of the air, in the same manner that fishes come to the top of the sea, then we should behold the true earth and the true heaven and the true stars. Our earth is everywhere corrupted and corroded; and even the land which is fairer than the sea, for that is a mere chaos or waste of water and mud and sand, has nothing to show in comparison of the other world. But the heavenly earth is of divers colours, sparkling with jewels brighter than gold and whiter than any snow, having flowers and fruits innumerable. And the inhabitants dwell some on the shore of the sea of air, others in 'islets of the blest,' and they hold converse with the gods, and behold the sun, moon and stars as they truly are, and their other blessedness is of a piece with this.
The hollows on the surface of the globe vary in size and shape from that which we inhabit: but all are connected by passages and perforations in the interior of the earth. And there is one huge chasm or opening called Tartarus, into which streams of fire and water and liquid mud are ever flowing; of these small portions find their way to the surface and form seas and rivers and volcanoes. There is a perpetual inhalation and exhalation of the air rising and falling as the waters pass into the depths of the earth and return again, in their course forming lakes and rivers, but never descending below the centre of the earth; for on either side the rivers flowing either way are stopped by a precipice. These rivers are many and mighty, and there are four principal ones, Oceanus, Acheron, Pyriphlegethon, and Cocytus. Oceanus is the river which encircles the earth; Acheron takes an opposite direction, and after flowing under the earth through desert places, at last reaches the Acherusian lake,—this is the river at which the souls of the dead await their return to earth. Pyriphlegethon is a stream of fire, which coils round the earth and flows into the depths of Tartarus. The fourth river, Cocytus, is that which is called by the poets the Stygian river, and passes into and forms the lake Styx, from the waters of which it gains new and strange powers. This river, too, falls into Tartarus.
The dead are first of all judged according to their deeds, and those who are incurable are thrust into Tartarus, from which they never come out. Those who have only committed venial sins are first purified of them, and then rewarded for the good which they have done. Those who have committed crimes, great indeed, but not unpardonable, are thrust into Tartarus, but are cast forth at the end of a year by way of Pyriphlegethon or Cocytus, and these carry them as far as the Acherusian lake, where they call upon their victims to let them come out of the rivers into the lake. And if they prevail, then they are let out and their sufferings cease: if not, they are borne unceasingly into Tartarus and back again, until they at last obtain mercy. The pure souls also receive their reward, and have their abode in the upper earth, and a select few in still fairer 'mansions.'
Socrates is not prepared to insist on the literal accuracy of this description, but he is confident that something of the kind is true. He