And yet the artist will go on with his work without knowing in some way if any of his representations are sound or unsound. The artist knows nothing worth mentioning about the subjects he represents, and that art is a form of play, not to be taken seriously.
Is it not also true that no physician, in so far as he is a physician, considers or enjoins what is for the physician's interest, but that all seek the good of their patients? For we have agreed that a physician strictly so called, is a ruler of bodies, and not a maker of money, have we not?
It is proper for every one to consider, in the case of all men, that he who has not been a servant cannot become a praiseworthy master; and it is meet that we should plume ourselves rather on acting the part of a servant properly than that of the master, first, towards the laws, (for in this way we are servants of the gods), and next, towards our elders.
Any one who has common sense will remember that the bewilderments of the eyes are of two kinds, and arise from two causes, either from coming out of the light or from going into the light, which is true of the mind's eye, quite as much as of the bodily eye; and he who remembers this when he sees any one whose vision is perplexed and weak, will not be too ready to laugh; he will first ask whether that soul of man has come out of the brighter light, and is unable to see because unaccustomed to the dark, or having turned from darkness to the day is dazzled by excess of light.
The philosopher is in love with truth, that is, not with the changing world of sensation, which is the object of opinion, but with the unchanging reality which is the object of knowledge.