ἐὰν ἃ τοῖς ἄλλοις ἐπιτιμῶμεν, αὐτοὶ μὴ δρῶμεν → avoid doing what you would blame others for doing
πεφιδέσθαι: πεφῐδοίμην, πεφῐδήσομαι, ἴδε ἐν λέξ. φείδομαι.