ξένῳ δὲ σιγᾶν κρεῖττον ἢ κεκραγέναι → it's better for a stranger to keep silence than to shout (Menander)
-ονirresistible, δύναμις ἰσχυρὰ καὶ ἀπροσάντητος Clem.Al.Ecl.26.