ὃ γὰρ βούλεται, τοῦθ' ἕκαστος καὶ οἴεται → what he wishes to be true, each person also believes to be true | what he wishes, each person also believes
διδασκᾰλική: ἡ (sc. τέχνη) искусство обучения Plat., Arst.