a nature, and is found in such natures; or that which is concerned with and found in the variable and mortal, and is itself variable and mortal?
Far purer, he replied, is the being of that which is concerned with the invariable.
And does the essence of the invariable partake of knowledge in the same degree as of essence?
Yes, of knowledge in the same degree.
And of truth in the same degree?
Yes.
And, conversely, that which has less of truth will also have less of essence?
Necessarily.
Then, in general, those kinds of things which are in the service of the body have less of truth and essence than those which are in the service of the soul?
Far less.
And has not the body itself less of truth and essence than the soul?
Yes.
What is filled with more real existence, and actually has a more real existence, is more really filled than that which is filled with less real existence and is less real?
Of course.
And if there be a pleasure in being filled with that which is according to nature, that which is more really filled with more real being will more really and truly enjoy true pleasure; whereas that which participates in less real being will be less truly and surely satisfied, and will participate in an illusory and less real pleasure?
Unquestionably.
Those, then, who know not wisdom and virtue, and are always busy with gluttony and sensuality, go down and up again as far as the mean; and in this region they move at random throughout life, but they never pass into the true upper world; thither they neither look, nor do they ever find their way, neither are they truly filled with true being, nor do they taste of pure and abiding pleasure. Like cattle, with their eyes always looking down and their heads stooping to the earth, that is, to the dining-table, they fatten and feed and
