ἐὰν ἃ τοῖς ἄλλοις ἐπιτιμῶμεν, αὐτοὶ μὴ δρῶμεν → avoid doing what you would blame others for doing
grin as a dog: Ar. σαίρειν; see also laugh.
grin at: Ar. ἐγχάσκειν (dat.).
