قَالَ لَنْ أُرْسِلَهُ مَعَكُمْ حَتَّى تُؤْتُونِ مَوْثِقًا مِّنَ اللَّهِ لَتَأْتُنَّنِي بِهِ إِلَّا أَن يُحَاطَ بِكُمْ فَلَمَّا آتَوْهُ مَوْثِقَهُمْ قَالَ اللَّهُ عَلَى مَا نَقُولُ وَكِيلٌ

He said, ‘I will not let him go with you until you give me a [solemn] pledge by Allah that you will surely bring him back to me, unless you are made to perish.’ When they had given him their [solemn] pledge, he said, ‘Allah is witness over what we say.’