[7.66] ὅτι μὲν οὖν οὐδὲν ἔστιν, ἐπιλογίζεται τὸν τρόπον τοῦτον˙ εἰ γὰρ ἔστι 〈τι〉, ἤτοι τὸ ὂν ἔστιν ἢ τὸ μὴ ὄν, ἢ καὶ τὸ ὂν ἔστι καὶ τὸ μὴ ὄν. οὔτε δὲ τὸ ὂν ἔστιν, ὡς παραστήσει, οὔτε τὸ μὴ ὄν, ὡς παραμυθήσεται, οὔτε τὸ ὂν καὶ 〈τὸ〉 μὴ ὄν, ὡς καὶ τοῦτο διδάξει.