Note 5 — Chapter XII · THE LAW FOR HUMANITY.
Reading edition
‘Chrysippus sic incipit: ὁ νόμος πάντων ἐστὶ βασιλεὺς θείων τε καὶ ἀνθρωπίνων πραγμάτων· δεῖ δὲ αὐτὸν ... κανόνα εἶναι δικαίων καὶ ἀδίκων’ Marcianus i p. 11, 25 (Arnim iii 314); ‘lex est ratio summa, insita in natura, quae iubet ea quae facienda sunt prohibetque contraria’ Cic. Leg. i 6, 18.