ἡ πίστις εἰσάξει, ἡ πεῖρα διδάξει → faith shall lead you, experience shall teach you
sincēro: āvi, ātum, 1, v. a. sincerus,I to make clean or pure, Diom. 361 P.
sincērō, āre (sincerus), tr., rendre pur : Diom. 364, 28.