Plato: The Republic

4. BOOK IV (continued)

Nor yet by reason of a knowledge which cultivates the earth; that would give the city the name of agricultural?

Yes.

Well, I said, and is there any knowledge in our recently founded State among any of the citizens which advises, not about any particular thing in the State, but about the whole, and considers how a State can best deal with itself and with other States?

There certainly is.

And what is knowledge, and among whom is it found? I asked.

It is the knowledge of the guardians, he replied, and found among those whom we were just now describing as perfect guardians.

And what is the name which the city derives from the possession of this sort of knowledge?

The name of good in counsel and truly wise.

And will there be in our city more of these true guardians or more smiths?

The smiths, he replied, will be far more numerous.

Will not the guardians be the smallest of all the classes who receive a name from the profession of some kind of knowledge?

Much the smallest.

And so by reason of the smallest part or class, and of the knowledge which resides in this presiding and ruling part of itself, the whole State, being thus constituted according to nature, will be wise; and this, which has the only knowledge worthy to be called wisdom, has been ordained by nature to be of all classes the least.

Most true.

Thus, then, I said, the nature and place in the State of one of the four virtues has somehow or other been discovered.

And, in my humble opinion, very satisfactorily discovered, he replied.