Passage 2.7.7
ἐς δὲ τὴν ἀγορὰν ἐσελθοῦσι Πειθοῦς ἐστιν ἱερὸν οὐδὲ τοῦτο ἄγαλμα ἔχον. Πειθὼ δὲ ἐπὶ λόγῳ τοιῷδε αὐτοῖς κατέστη σέβεσθαι. Ἀπόλλων καὶ Ἄρτεμις ἀποκτείναντες Πύθωνα παρεγένοντο ἐς τὴν Αἰγιάλειαν καθαρσίων ἕνεκα. γενομένου δέ σφισι δείματος, ἔνθα καὶ νῦν Φόβον ὀνομάζουσι τὸ χωρίον, οἱ μὲν ἐς Κρήτην παρὰ Καρμάνορα ἀπετράποντο, τοὺς δὲ ἀνθρώπους ἐν τῇ Αἰγιαλείᾳ νόσος ἐπέλαβε· καὶ σφᾶς ἐκέλευον οἱ μάντεις Ἀπόλλωνα ἱλάσασθαι καὶ Ἄρτεμιν.
As you enter the marketplace, there is a sanctuary of Peitho ("Persuasion"), which likewise contains no image. The worship of Peitho was established among them for the following reason. Apollo and Artemis, after killing Python, came to Aigialeia seeking purification. While there, they experienced sudden fear at a place that even now they call "Phobos" ("Fear"); from here, the gods departed to Crete, to Karmanor, whereas the inhabitants of Aigialeia were stricken by plague. The oracles instructed them to appease Apollo and Artemis.