Plato, Meno 80a

σοι ὅτι σὺ οὐδὲν ἄλλο ἢ αὐτός τε ἀπορεῖς καὶ τοὺς ἄλλους ποιεῖς ἀπορεῖν· καὶ νῦν, ὥς γέ μοι δοκεῖς, γοητεύεις με καὶ φαρμάττεις καὶ ἀτεχνῶς κατεπᾴδεις, ὥστε μεστὸν ἀπορίας γεγονέναι. καὶ δοκεῖς μοι παντελῶς, εἰ δεῖ τι καὶ σκῶψαι, ὁμοιότατος εἶναι τό τε εἶδος καὶ τἆλλα ταύτῃ τῇ πλατείᾳ νάρκῃ τῇ θαλαττίᾳ· καὶ γὰρ αὕτη τὸν ἀεὶ πλησιάζοντα καὶ ἁπτόμενον ναρκᾶν ποιεῖ, καὶ σὺ δοκεῖς μοι νῦν ἐμὲ τοιοῦτόν τι πεποιηκέναι, · ἀληθῶς γὰρ ἔγωγε καὶ

that yours was just a case of being in doubt yourself and making others doubt also: and so now I find you are merely bewitching me with your spells and incantations, which have reduced me to utter perplexity. And if I am indeed to have my jest, I consider that both in your appearance and in other respects you are extremely like the flat torpedo sea-fish; for it benumbs anyone who approaches and touches it, and something of the sort is what I find you have done to me now. For in truth