Plato, Epinomis 974c

τινα φύσιν ταύτης, τίς δέ ἐστιν καὶ πότε καὶ πῶς, οὐ πάνυ δυναμένης ἐξευρίσκειν. ἆρʼ οὐ τούτῳ σφόδρα προσέοιχʼ ἡμῶν ἡ περὶ σοφίαν ἀπορία καὶ ζήτησις, πλείων τῆς ἐλπίδος ἑκάστῳ γιγνομένη τῶν ὅσοι ἐν ἡμῖν δυνατοὶ γίγνονται φρονίμως αὑτοὺς ἄλλους τε ἐξετάσαι συμφώνως διὰ λόγων πάντων καὶ πάντῃ λεγομένων; ταῦτα οὐχ οὕτως ἢ ταύτῃ συμφήσομεν ἔχειν; συμφήσομεν ἐπʼ ἐλπίδι σοι ἴσως ταῦτʼ, ὦ ξένε, τῇ

but what it is that she has, or when, or how, she is quite unable to discover. Is not this a fair picture of our puzzle about wisdom and the inquiry that we have to make—a greater one than any of us could expect who are found able to examine ourselves and others intelligently and consistently by every kind and manner of argument? Is the case not so, or shall we agree that so it is? We shall probably agree with you on that, my good sir,