Luke 2:35

35andκαὶof youσοῦalsoδὲof herαὐτῆςtheτὴνsoulψυχὴνwill go throughδιελεύσεταιa swordῥομφαία,so thatὅπωςἂνmay be revealedἀποκαλυφθῶσινofἐκmanyπολλῶνheartsκαρδιῶν[the] thoughtsδιαλογισμοί.

and a sword will also pass through your [own] soul—so that the thoughts of many hearts may be revealed.”