The Republic by Plato Part 4 Page 31

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

It is the knowledge of the guardians, he replied, and is 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?