لَأُعَذِّبَنَّهُۥ عَذَابٗا شَدِيدًا أَوۡ لَأَاْذۡبَحَنَّهُۥٓ أَوۡ لَيَأۡتِيَنِّي بِسُلۡطَٰنٖ مُّبِينٖ
LaoAAaththibannahu AAathaban shadeedan aw laathbahannahu aw layatiyannee bisultanin mubeenin
"I will certainly punish him with a severe penalty, or execute him, unless he bring me a clear reason (for absence)."