Plato, Meno 82a

νῦν ἐρωτᾷς εἰ ἔχω σε διδάξαι, ὃς οὔ φημι διδαχὴν εἶναι ἀλλʼ ἀνάμνησιν, ἵνα δὴ εὐθὺς φαίνωμαι αὐτὸς ἐμαυτῷ τἀναντία λέγων. οὐ μὰ τὸν Δία, ὦ Σώκρατες, οὐ πρὸς τοῦτο βλέψας εἶπον, ἀλλʼ ὑπὸ τοῦ ἔθους· ἀλλʼ εἴ πώς μοι ἔχεις ἐνδείξασθαι ὅτι ἔχει ὥσπερ λέγεις, ἔνδειξαι. ἀλλʼ ἔστι μὲν οὐ ῥᾴδιον, ὅμως δὲ ἐθέλω προθυμηθῆναι σοῦ ἕνεκα. ἀλλά μοι προσκάλεσον τῶν πολλῶν

but only recollection: you hope that I may be caught contradicting myself forthwith. I assure you, Socrates; that was not my intention I only spoke from habit. But if you can somehow prove to me that it is as you say, pray do so. It is no easy matter, but still I am willing to try my best for your sake. Just call one of your own troop of attendants there,