εἰ μὴ ἦλθον καὶ ἐλάλησα αὐτοῖς, ἁμαρτίαν οὐκ εἶχον → if I had not come and spoken to them, they would not be guilty of sin
νευροσιδηροῦς, -ᾶ, -οῦν (Α)αυτός που έχει πολύ γερά νεύρα, σιδερένιος, δυνατός.[ΕΤΥΜΟΛ. < νεῦρον + σιδηροῦς.