Plato, Laws 873c

ὅρια φέροντες ἐκβαλλόντων τῷ νόμῳ ἄταφον.τὸν δὲ δὴ πάντων οἰκειότατον καὶ λεγόμενον φίλτατον ὃς ἂν ἀποκτείνῃ, τί χρὴ πάσχειν; λέγω δὲ ὃς ἂν ἑαυτὸν κτείνῃ, τὴν τῆς εἱμαρμένης βίᾳ ἀποστερῶν μοῖραν, μήτε πόλεως ταξάσης δίκῃ, μήτε περιωδύνῳ ἀφύκτῳ προσπεσούσῃ τύχῃ ἀναγκασθείς, μηδὲ αἰσχύνης τινὸς ἀπόρου καὶ ἀβίου μεταλαχών, ἀργίᾳ δὲ καὶ ἀνανδρίας δειλίᾳ ἑαυτῷ δίκην ἄδικον

unburied, according to law. Now he that slays the person who is, as men say, nearest and dearest of all,—what penalty should he suffer? I mean the man that slays himself,—violently robbing himself of his Fate-given share of life, when this is not legally ordered by the State, and when he is not compelled to it by the occurrence of some intolerable and inevitable misfortune, nor by falling into some disgrace that is beyond remedy or endurance,—but merely inflicting upon himself this iniquitous penalty owing to sloth and unmanly cowardice. In this case, the rest of the matters—concerning the rules