Luke 17:1

1He saidΕἶπενthenδὲtoπρὸςtheτοὺςdisciplesμαθητὰςof Himαὐτοῦ·ImpossibleἈνένδεκτόνit isἐστινforτοῦtheτὰstumbling blocksσκάνδαλαnotμὴto comeἐλθεῖν,butπλὴνwoe [to him]οὐαὶbyδι’whomοὗthey comeἔρχεται·

And He said to His disciples, “It is impossible for the stumbling blocks not to come, but woe [to him] through whom they come!