The Republic by Plato Part 6 Page 44

But if philosophy ever finds in the State that perfection which she herself is, then will be seen that she is in truth divine, and that all other things, whether natures of men or institutions, are but human; — and now, I know, that you are going to ask, What that State is:

No, he said; there you are wrong, for I was going to ask another question — whether it is the State of which we are the founders and inventors, or some other?

Yes, I replied, ours in most respects; but you may remember my saying before, that some living authority would always be required in the State having the same idea of the constitution which guided you when as legislator you were laying down the laws.

That was said, he replied.