When they were despaired of (moving) him, they retired to confer together in private. One of their leaders said, `Are you not aware that your father has bound you to a solemn pledge in the name of Allâh? And how before this, you fell short of your duty in respect of Joseph? Never will I, therefore, leave this land until my father gives me permission or Allâh, Who is the best of Judges, decides (the matter) for me.