Plato, Laws 647a

δὴ καὶ καλοῦμεν τὸν φόβον ἡμεῖς γε, οἶμαι δὲ καὶ πάντες, αἰσχύνην. τί δʼ οὔ; τούτους δὴ δύο ἔλεγον φόβους· ὧν ὁ ἕτερος ἐναντίος μὲν ταῖς ἀλγηδόσιν καὶ τοῖς ἄλλοις φόβοις, ἐναντίος δʼ ἐστὶ ταῖς πλείσταις καὶ μεγίσταις ἡδοναῖς. ὀρθότατα λέγεις. ἆρʼ οὖν οὐ καὶ νομοθέτης, καὶ πᾶς οὗ καὶ σμικρὸν ὄφελος, τοῦτον τὸν φόβον ἐν τιμῇ μεγίστῃ σέβει, καὶ καλῶν αἰδῶ, τὸ τούτῳ θάρρος ἐναντίον ἀναίδειάν τε προσαγορεύει

and this fear we (like everybody else, I imagine) call shame. Of course. These are the two fears I was meaning; and of these the second is opposed to pains and to all other objects of fear, and opposed also to the greatest and most numerous pleasures. Very true. Does not, then, the lawgiver, and every man who is worth anything, hold this kind of fear in the highest honor, and name it modesty; and to the confidence which is opposed to it does he not give the name immodesty, and pronounce it to be for all,