Falammas tay'asoo minhu khalasoo najiyyan qaala kabeeruhum alam ta'lamoon anna abaakum qad akhaza 'alaikum mawsiqam minal laahi wa min qablu maa farrattum fee Yoosufa falan abrahal arda hattaa yaazana leee abeee aw yahkumal laahu lee wa huwa khairul lhaakimeen
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.
1 Mufti Taqi Usmani
So when they lost hope in him, they went aside for consultation. The oldest of them said, “Do you not know that your father has taken pledge from you in the name of Allah, while you had defaulted earlier in the case of Yūsuf. So, I shall never leave this land unless my father permits me or Allah decides about me. He is the best of all judges.