The Republic by Plato Part 6 Page 43

The causes why philosophy is in such an evil name have now been sufficiently explained: the injustice of the charges against her has been shown — is there anything more which you wish to say?

Nothing more on that subject, he replied; but I should like to know which of the governments now existing is in your opinion the one adapted to her.

Not any of them, I said; and that is precisely the accusation which I bring against them — not one of them is worthy of the philosophic nature, and hence that nature is warped and estranged; — as the exotic seed which is sown in a foreign land becomes denaturalized, and is wont to be overpowered and to lose itself in the new soil, even so this growth of philosophy, instead of persisting, degenerates and receives another character.