النمل — An-Naml Ayat 49
قَالُوْا تَقَاسَمُوْا بِاللّٰهِ لَنُبَيِّتَنَّهٗ وَاَهْلَهٗ ثُمَّ لَنَقُوْلَنَّ لِوَلِيِّهٖ مَا شَهِدْنَا مَهْلِكَ اَهْلِهٖ وَاِنَّا لَصٰدِقُوْنَ
Qālū taqāsamū billāhi lanubayyitannahū wa ahlahū ṡumma lanaqūlanna liwaliyyihī mā syahidnā mahlika ahlihī wa innā laṣādiqūn(a).
"They said, "Take a mutual oath by Allah that we will kill him by night, he and his family. Then we will say to his executor, 'We did not witness the destruction of his family, and indeed, we are truthful.' ""