Phaedrus (247-248)

Socrates. Now the great leader in heaven, Zeus, driving a winged chariot, goes first, arranging all things and caring for all things. He is followed by an army of gods and spirits, arrayed in eleven squadrons; Hestia alone remains in the house of the gods. Of the rest, those who are included among the twelve great gods and are accounted leaders, are assigned each to his place in the army. There are many blessed sights and many ways hither and thither within the heaven, along which the blessed gods go to and fro attending each to his own duties; and whoever wishes, and is able, follows, for jealousy is excluded from the celestial band. But when they go to a feast and a banquet, they proceed steeply upward to the top of the vault of heaven, where the chariots of the gods, whose well matched horses obey the rein, advance easily, but the others with difficulty; for the horse of evil nature weighs the chariot down, making it heavy and pulling toward the earth the charioteer whose horse is not well trained. There the utmost toil and struggle await the soul. For those that are called immortal, when they reach the top, pass outside and take their place on the outer surface of the heaven, and when they have taken their stand, the revolution carries them round and they behold the things outside of the heaven. But the region above the heaven was never worthily sung by any earthly poet, nor will it ever be. It is, however, as I shall tell; for I must dare to speak the truth, especially as truth is my theme. For the colorless, formless, and intangible truly existing essence, with which all true knowledge is concerned, holds this region and is visible only to the mind, the pilot of the soul. Now the divine intelligence, since it is nurtured on mind and pure knowledge, and the intelligence of every soul which is capable of receiving that which befits it, rejoices in seeing reality for a space of time and by gazing upon truth is nourished and made happy until the revolution brings it again to the same place. In the revolution it beholds absolute justice, temperance, and knowledge, not such knowledge as has a beginning and varies as it is associated with one or another of the things we call realities, but that which abides in the real eternal absolute; and in the same way it beholds and feeds upon the other eternal verities, after which, passing down again within the heaven, it goes home, and there the charioteer puts up the horses at the manger and feeds them with ambrosia and then gives them nectar to drink.

Socrates. Such is the life of the gods; but of the other souls, that which best follows after God and is most like him, raises the head of the charioteer up into the outer region and is carried round in the revolution, troubled by the horses and hardly beholding the realities; and another sometimes rises and sometimes sinks, and, because its horses are unruly, it sees some things and fails to see others. The other souls follow after, all yearning for the upper region but unable to reach it, and are carried round beneath, trampling upon and colliding with one another, each striving to pass its neighbor. So there is the greatest confusion and sweat of rivalry, wherein many are lamed, and many wings are broken through the incompetence of the drivers; and after much toil they all go away without gaining a view of reality, and when they have gone away they feed upon opinion. But the reason of the great eagerness to see where the plain of truth is, lies in the fact that the fitting pasturage for the best part of the soul is in the meadow there, and the wing on which the soul is raised up is nourished by this. And this is a law of Destiny, that the soul which follows after God and obtains a view of any of the truths is free from harm until the next period, and if it can always attain this, is always unharmed; but when, through inability to follow, it fails to see, and through some mischance is filled with forgetfulness and evil and grows heavy, and when it has grown heavy, loses its wings and falls to the earth, then it is the law that this soul shall never pass into any beast at its first birth, but the soul that has seen the most shall enter into the birth of a man who is to be a philosopher or a lover of beauty, or one of a musical or loving nature, and the second soul into that of a lawful king or a warlike ruler, and the third into that of a politician or a man of business or a financier, the fourth into that of a hardworking gymnast or one who will be concerned with the cure of the body, and the fifth will lead the life of a prophet or some one who conducts mystic rites; to the sixth, a poet or some other imitative artist will be united, to the seventh, a craftsman or a husbandman, to the eighth, a sophist or a demagogue, to the ninth, a tyrant.