Surah An-Naml, ayah 21

27:21

لَأُعَذِّبَنَّهُۥ عَذَابٗا شَدِيدًا أَوۡ لَأَاْذۡبَحَنَّهُۥٓ أَوۡ لَيَأۡتِيَنِّي بِسُلۡطَٰنٖ مُّبِينٖ ٢١

La u'addhibannahū 'adhāban shadīdan aw la adhbahannahū aw laya'tiyannī bisultānim mubīn

I will surely punish him with a severe punishment or slaughter him unless he brings me clear authorization."1075

Footnotes

1075 i.e., a valid excuse.