Τοῦτο καὶ ἐφ᾽ ἡμῶν γενέσθαι, ἑτέραν ἐπεισαχθῆναι συνήθειαν. Morel. Ben. ἀφ᾽ ἡμῶν, “By our means,” idque unum probandum, Ed. Par. but ἐφ᾽ ἡμῶν is not as he renders it, in nobis; the meaning is, “where habit works, this is the effect (in the case of habit): wish it were so in the case of us (where we work).”