And when Allah made a covenant through the prophets: Certainly what I have given you of Book and wisdom-- then an messenger comes to you verifying that which is with you, you must believe in him, and you must aid him. He said: Do you affirm and accept My compact in this (matter)? They said: We do affirm. He said: Then bear witness, and I (too) am of the bearers of witness with you.

Then when they despaired of him, they retired, conferring privately together. The eldest of them said: Do you not know that your father took from you a covenant in Allah's name, and how you fell short of your duty with respect to Yusuf before? Therefore I will by no means depart from this land until my father permits me or Allah decides for me, and He is the best of the judges: