Plato, Laws 727a

μετὰ θεοὺς ὄντας δεσπότας καὶ τοὺς τούτοις ἑπομένους τιμᾶν δεῖν λέγων δευτέραν, ὀρθῶς παρακελεύομαι. τιμᾷ δʼ ὡς ἔπος εἰπεῖν ἡμῶν οὐδεὶς ὀρθῶς, δοκεῖ δέ· θεῖον γὰρ ἀγαθόν που τιμή, τῶν δὲ κακῶν οὐδὲν τίμιον, ὁ δʼ ἡγούμενος ἤ τισι λόγοις ἢ δώροις αὐτὴν αὔξειν ἤ τισιν ὑπείξεσιν, μηδὲν βελτίω δὲ ἐκ χείρονος αὐτὴν ἀπεργαζόμενος, τιμᾶν μὲν δοκεῖ, δρᾷ δὲ τοῦτο οὐδαμῶς. αὐτίκα παῖς εὐθὺς γενόμενος ἄνθρωπος πᾶς ἡγεῖται πάντα ἱκανὸς εἶναι γιγνώσκειν,

Thus it is that in charging men to honor their own souls next after the gods who rule and the secondary divinities, I am giving a right injunction. But there is hardly a man of us all who pays honor rightly, although he fancies he does so; for honor paid to a thing divine is beneficent, whereas nothing that is maleficent confers honor; and he that thinks to magnify his soul by words or gifts or obeisances, while he is improving it no whit in goodness, fancies indeed that he is paying it honor, but in fact does not do so. Every boy, for example, as soon as he has grown to manhood, deems himself capable of learning all things, and supposes that by lauding his soul he honors it,