The death of Socrates - 399 BC

…οὗτος μὲν οἴεταί τι εἰδέναι οὐκ εἰδώς, ἐγὼ δέ, ὥσπερ οὖν οὐκ οἶδα, οὐδὲ οἴομαι

...this man, on one hand, believes that he knows something when he does not know anything, while I know that I know nothing (anything)

Sackville Street - 2014