فَلَمَّا ٱسْتَيْــَٔسُواْ مِنْهُ خَلَصُواْ نَجِيًّاۖ قَالَ كَبِيرُهُمْ أَلَمْ تَعْلَمُوٓاْ أَنَّ أَبَاكُمْ قَدْ أَخَذَ عَلَيْكُم مَّوْثِقًا مِّنَ ٱللَّهِ وَمِن قَبْلُ مَا فَرَّطتُمْ فِى يُوسُفَۖ فَلَنْ أَبْرَحَ ٱلْأَرْضَ حَتَّىٰ يَأْذَنَ لِىٓ أَبِىٓ أَوْ يَحْكُمَ ٱللَّهُ لِىۖ وَهُوَ خَيْرُ ٱلْحَـٰكِمِينَ ٨٠
So, When they despaired of (moving) him, they conferred together apart. The eldest of them said: Know ye not how your father took an undertaking from you in Allah's name and how ye failed in the case of Joseph aforetime? Therefore I shall not go forth from the land until my father giveth leave or Allah judgeth for me. He is the Best of Judges.