The Republic by Plato Part 6 Page 40

There can be no question of it.

And when persons who are unworthy of education approach philosophy and make an alliance with her who is in a rank above them what sort of ideas and opinions are likely to be generated? Will they not be sophisms captivating to the ear, having nothing in them genuine, or worthy of or akin to true wisdom?

No doubt, he said.

Then, Adeimantus, I said, the worthy disciples of philosophy will be but a small remnant: perchance some noble and well-educated person, detained by exile in her service, who in the absence of corrupting influences remains devoted to her; or some lofty soul born in a mean city, the politics of which he contemns and neglects; and there may be a gifted few who leave the arts, which they justly despise, and come to her; —