Plato, Laws 772c

κοινῇ, τέλος δὲ σχόντος, αὐτὰς ἑκάστας τὰς ἀρχὰς εἰς τοὺς νομοφύλακας εἰσφερούσας τὸ παραλειπόμενον τῆς αὑτῶν ἀρχῆς ἐπανορθοῦσθαι, μέχριπερ ἂν τέλος ἔχειν ἕκαστον δόξῃ τοῦ καλῶς ἐξειργάσθαι, τότε δὲ ἀκίνητα θεμένους, ἤδη χρῆσθαι μετὰ τῶν ἄλλων νόμων οὓς ἔταξε κατʼ ἀρχὰς ὁ θεὶς αὐτοῖς νομοθέτης· ὧν πέρι κινεῖν μὲν ἑκόντας μηδέποτε μηδέν, εἰ δέ τις ἀνάγκη δόξειέ ποτε καταλαβεῖν, πάσας μὲν

if he be still alive, or by themselves, if he be dead, shall report to the Law-wardens whatever is omitted in their own department, and shall make it good, until each detail seems to have reached its proper completion: this done, they shall decree them as fixed rules, and employ them as well as the rest of the laws originally decreed by the law-giver. In these they must never make any change voluntarily; but if it should ever be thought that a necessity for change