[7.442] τὸ εὐθὺ γὰρ ἑαυτοῦ 〈τε〉 καὶ ἄλλων ἐστὶ δοκιμαστικόν, καὶ ὁ ζυγὸς τῆς τε τῶν ἄλλων ἰσότητος καὶ τῆς ἰδίας σταθμητικὸς ὑπῆρχεν, καὶ τὸ φῶς οὐ μόνον τῶν ἄλλων ἀλλὰ καὶ ἑαυτοῦ ἐκκαλυπτικὸν φαίνεται, διόπερ καὶ τὸ κριτήριον δύναται καὶ ἄλλων καὶ ἑαυτοῦ κριτήριον καθεστάναι.