The Republic by Plato Part 6 Page 51

That either or both of these alternatives are impossible, I see no reason to affirm: if they were so, we might indeed be justly ridiculed as dreamers and visionaries.

Am I not right?

Quite right.

If then, in the countless ages of the past, or at the present hour in some foreign clime which is far away and beyond our ken, the perfected philosopher is or has been or hereafter shall be compelled by a superior power to have the charge of the State, we are ready to assert to the death, that this our constitution has been, and is — yea, and will be whenever the Muse of Philosophy is queen. There is no impossibility in all this; that there is a difficulty, we acknowledge ourselves.

My opinion agrees with yours, he said.