John 15:22

22IfεἰnotμὴI had comeἦλθονandκαὶspokenἐλάλησαto themαὐτοῖς,sinἁμαρτίανnotοὐκthey would have hadεἴχοσαν·nowνῦνhoweverδὲexcuseπρόφασινnotοὐκthey haveἔχουσινforπερὶtheτῆςsinἁμαρτίαςof themαὐτῶν.

If I had not come and spoken to them, they would not have had sin; but now they have no excuse for their sin.