Τί κοινότατον; ἐλπίς. καὶ γὰρ οἷς ἄλλο μηδέν, αὕτη πάρεστι → What is most common? Hope. For those who have nothing else, that is always there.
certissō (certiscō), ĭs, ĕre ou ās, āre (certus), intr., être renseigné : Pacuv. 107 ; Gloss. 4, 217, 30.