Plato, Laws 865b

ἀπομιμουμένων τὴν πολεμικὴν πρᾶξιν, καθαρθεὶς κατὰ τὸν ἐκ Δελφῶν κομισθέντα περὶ τούτων νόμον ἔστω καθαρός· ἰατρῶν δὲ πέρι πάντων, ἂν ὁ θεραπευόμενος ὑπʼ αὐτῶν ἀκόντων τελευτᾷ, καθαρὸς ἔστω κατὰ νόμον. ἐὰν δὲ αὐτόχειρ μέν, ἄκων δὲ ἀποκτείνῃ τις ἕτερος ἕτερον, εἴτε τῷ ἑαυτοῦ σώματι ψιλῷ εἴτε ὀργάνῳ ἢ βέλει ἢ πώματος ἢ σίτου δόσει ἢ πυρὸς ἢ χειμῶνος προσβολῇ ἢ στερήσει πνεύματος, αὐτὸς τῷ

javelin-work without armor or when engaged in some warlike maneuver in heavy armor,—then, when he has been purified as the Delphic rule on this matter directs, he shall be accounted pure. So too with respect to all doctors, if the patient dies against the will of his doctor, the doctor shall be accounted legally pure. And if one man kills another of his own act, but involuntarily,—whether it be with his own unarmed body, or by a tool or a weapon, or by a dose of drink or of solid food, or by application of fire or of cold, or by deprivation of air, and whether he does it himself with his own body or by means of other bodies,—