θεωρεῖται δὲ ἀνοησίᾳ κρείττονι νοήσεως → it is grasped only by means of an ignorance superior to intellection, it may be immediately cognised only by means of a non-intellection superior to intellection
P. and V. πείθειν, ἀναπείθειν (Eur., Helen 825), V. ἔκπείθειν.
be convinced, be sure: see under sure.