Plato, Laws 779a

εἰς αὐτὸ καταφεύγοντας μὴ ἀμύνεσθαι τοὺς πολεμίους, μηδὲ τῷ φρουρεῖν ἀεί τινας ἐν αὐτῇ νύκτωρ καὶ μεθʼ ἡμέραν, τούτῳ τῆς σωτηρίας τυγχάνειν, τείχεσι δὲ καὶ πύλαις διανοεῖσθαι φραχθέντας τε καὶ καθεύδοντας σωτηρίας ὄντως ἕξειν μηχανάς, ὡς ἐπὶ τὸ μὴ πονεῖν γεγονότας, ἀγνοοῦντας δʼ αὖ τὴν ῥᾳστώνην ὡς ὄντως ἐστὶν ἐκ τῶν πόνων· ἐκ ῥᾳστώνης δέ γε, οἶμαι, τῆς αἰσχρᾶς οἱ πόνοι καὶ ῥᾳθυμίας πεφύκασι γίγνεσθαι πάλιν. ἀλλʼ εἰ δὴ τεῖχός γέ τι χρεὼν

instead of securing their safety by keeping watch night and day, it tempts them to believe that their safety is ensured if they are fenced in with walls and gates and go to sleep, like men born to shirk toil, little knowing that ease is really the fruit of toil, whereas a new crop of toils is the inevitable outcome, as I think, of dishonorable ease and sloth. But if men really must have a wall,