ἐὰν ἃ τοῖς ἄλλοις ἐπιτιμῶμεν, αὐτοὶ μὴ δρῶμεν → avoid doing what you would blame others for doing
short in speech: P. βραχύλογος.
concise: P. and V. σύντομος, P. συνεστραμμένος.