12:77-82
12:77
They said: “If he steals, there was a brother of his who did steal before (him).” But these things did Joseph keep locked in his heart, revealing not the secrets to them. He (simply) said(to himself): “Ye are the worse situated; and Allah knoweth best the truth of what ye assert!”
12:78
They said: “O exalted one! Behold! he has a father, aged and venerable, (who will grieve for him); so take one of us in his place; for we see that thou art (gracious) in doing good.”
12:79
He said: “Allah forbid that we take other than him with whom we found our property: indeed (if we did so), we should be acting wrongfully.
12:80
Now when they saw no hope of his (yielding), they held a conference in private. The leader among them said: “Know ye not that your father did take an oath from you in Allah’s name, and how, before this, ye did fail in your duty with Joseph? Therefore, will I not leave this land until my father permits me, or Allah commands me; and He is the best to command.
12:81
“Turn ye back to your father, and say, ’O our father! behold! thy son committed theft! we bear witness only to what we know, and we could not well guard against the unseen!
12:82
“’Ask at the town where we have been and the caravan in which we returned, and (you will find) we are indeed telling the truth.’”