art is due to this observance of measure.

YOUNG SOCRATES: Certainly.

STRANGER: But if the science of the Statesman disappears, the search for

the royal science will be impossible.

YOUNG SOCRATES: Very true.

STRANGER: Well, then, as in the case of the Sophist we extorted the

inference that not-being had an existence, because here was the point

at which the argument eluded our grasp, so in this we must endeavour

to show that the greater and less are not only to be measured with one

another, but also have to do with the production of the mean; for if

this is not admitted, neither a statesman nor any other man of action

can be an undisputed master of his science.

YOUNG SOCRATES: Yes, we must certainly do again what we did then.

STRANGER: But this, Socrates, is a greater work than the other, of which

we only too well remember the length. I think, however, that we may

fairly assume something of this sort--

YOUNG SOCRATES: What?

STRANGER: That we shall some day require this notion of a mean with a