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
posthinc: adv.,I after this, hereafter, etc.; in Verg. A. 8, 546; id. G. 3, 300, more correctly separate, post hinc.