Quran 12:66 — Surah Yusuf, ayah 66

قَالَ لَنۡ أُرۡسِلَهُۥ مَعَكُمۡ حَتَّىٰ تُؤۡتُونِ مَوۡثِقٗا مِّنَ ٱللَّهِ لَتَأۡتُنَّنِي بِهِۦٓ إِلَّآ أَن يُحَاطَ بِكُمۡۖ فَلَمَّآ ءَاتَوۡهُ مَوۡثِقَهُمۡ قَالَ ٱللَّهُ عَلَىٰ مَا نَقُولُ وَكِيلٞ

[Jacob] said, "Never will I send him with you until you give me a promise by Allah that you will bring him [back] to me, unless you should be surrounded by enemies." And when they had given their promise, he said, "Allah, over what we say, is Witness

"Ja ga s vama neću poslati" – reče – "dok mi se tvrdo Allahom ne zakunete da ćete mi ga doista vratiti, osim ako ne nastradate." I pošto mu se oni zakleše, on reče: "Allah je jamac za ono što smo utanačili!"