Plato, Meno 81d

ἁπάσης συγγενοῦς οὔσης, καὶ μεμαθηκυίας τῆς ψυχῆς ἅπαντα, οὐδὲν κωλύει ἓν μόνον ἀναμνησθέντα—ὃ δὴ μάθησιν καλοῦσιν ἄνθρωποι—τἆλλα πάντα αὐτὸν ἀνευρεῖν, ἐάν τις ἀνδρεῖος ᾖ καὶ μὴ ἀποκάμνῃ ζητῶν· τὸ γὰρ ζητεῖν ἄρα καὶ τὸ μανθάνειν ἀνάμνησις ὅλον ἐστίν. οὔκουν δεῖ πείθεσθαι τούτῳ τῷ ἐριστικῷ λόγῳ· οὗτος μὲν γὰρ ἂν ἡμᾶς ἀργοὺς ποιήσειεν καὶ ἔστιν τοῖς μαλακοῖς τῶν ἀνθρώπων ἡδὺς ἀκοῦσαι, ὅδε

all nature is akin, and the soul has learned all things, there is no reason why we should not, by remembering but one single thing—an act which men call learning—discover everything else, if we have courage and faint not in the search; since, it would seem, research and learning are wholly recollection. So we must not hearken to that captious argument: it would make us idle, and is pleasing only to the indolent ear, whereas the other makes us energetic