Epistle of Jeremiah 1.4

4. εὐλαβήθητε οὖν μὴ καὶ ὑμεῖς ἀφομοιωθέντες τοῖς ἀλλοφύλοις ἀφομοιωθῆτε καὶ φόβος ὑμᾶς λάβῃ ἐπ' αὐτοῖς