So he began [the search] with their bags before the bag of his brother; then he extracted it from the bag of his brother. Thus did We plan for Joseph. He could not have taken his brother within the religion of the king except that Allah willed. We raise in degrees whom We will, but over every possessor of knowledge is one [more] knowing.
They said, "If he steals - a brother of his has stolen before." But Joseph kept it within himself and did not reveal it to them. He said, "You are worse in position, and Allah is most knowing of what you describe."
So when they had despaired of him, they secluded themselves in private consultation. The eldest of them said, "Do you not know that your father has taken upon you an oath by Allah and [that] before you failed in [your duty to] Joseph? So I will never leave [this] land until my father permits me or Allah decides for me, and He is the best of judges.