εὐηθείης ἠλιθίου ἀπηλλαγμένον → free from silly foolishness, many removes from folly
P. and V. ἀκριβῶς.
truly: P. and V. ἀληθῶς, ὀρθῶς.
know accurately: P. and V. ἀκριβοῦν (acc.) (Plato).