Plato, Laws 857d

ἐλεύθερον ἐλευθέρῳ νοσοῦντι διαλεγόμενον ἰατρόν, καὶ τοῦ φιλοσοφεῖν ἐγγὺς χρώμενον μὲν τοῖς λόγοις, ἐξ ἀρχῆς τε ἁπτόμενον τοῦ νοσήματος, περὶ φύσεως πάσης ἐπανιόντα τῆς τῶν σωμάτων, ταχὺ καὶ σφόδρα γελάσειεν ἂν καὶ οὐκ ἂν ἄλλους εἴποι λόγους ἢ τοὺς περὶ τὰ τοιαῦτʼ ἀεὶ προχείρους ὄντας τοῖς πλείστοις λεγομένοις ἰατροῖς· φαίη γὰρ ἂν ὦ μῶρε, οὐκ ἰατρεύεις τὸν νοσοῦντα ἀλλὰ σχεδὸν παιδεύεις,

devoid of theory, were to come upon a free-born doctor conversing with a free-born patient, and using arguments, much as a philosopher would, dealing with the course of the ailment from its origin and surveying the natural constitution of the human body,—he would at once break out into a roar of laughter, and the language he would use would be none other than that which always comes ready to the tongue of most so-called doctors: You fool, he would say, you are not doctoring your patient, but schooling him, so to say, as though what he wanted was to be made, not a sound man,