﴿ قَالَ لَنْ أُرْسِلَهُۥ مَعَكُمْ حَتَّىٰ تُؤْتُونِ مَوْثِقًۭا مِّنَ ٱللَّهِ لَتَأْتُنَّنِى بِهِۦٓ إِلَّآ أَن يُحَاطَ بِكُمْ ۖ فَلَمَّآ ءَاتَوْهُ مَوْثِقَهُمْ قَالَ ٱللَّهُ عَلَىٰ مَا نَقُولُ وَكِيلٌۭ ﴾

“Said [Jacob]: "I will not send him with you until you give me a solemn pledge, before God, that you will indeed bring him back unto me, unless you yourselves be encompassed [by death]!" And when they had given him their solemn pledge, [Jacob] said: "God is witness to all that we say!"”

On reaching home, when they found their money in their bags of corn, they were very happy. They told their father that he should send Benjamin with them. They promised to take care of him. They said that they would bring one more camel-load of corn as his share. They also said that the corn they had now brought was not sufficient for their needs. Perhaps according to the distribution system introduced by Joseph, outsiders were each allowed one camel-load of corn.