The Republic by Plato Part 6 Page 64

by their impulses, and all solid principle goes out of them.

Very true, he said.

On the other hand, those steadfast natures which can better be depended upon, which in a battle are impregnable to fear and immovable, are equally immovable when there is anything to be learned; they are always in a torpid state, and are apt to yawn and go to sleep over any intellectual toil.

Quite true.

And yet we were saying that both qualities were necessary in those to whom the higher education is to be imparted, and who are to share in any office or command.

Certainly, he said.

And will they be a class which is rarely found?

Yes, indeed.