ξένῳ δὲ σιγᾶν κρεῖττον ἢ κεκραγέναι → it's better for a stranger to keep silence than to shout (Menander)
rătō: adv. ratus,
I certainly, surely (postclass.), Tert. Anim. 35; id. ad Uxor. 2, 9.
rătō, adv., d’une manière valable : Tert. Anim. 35.
τὸ ἀκαρές, διατριβή, ἀναστροφή