وَلَمَّا دَخَلُواْ مِنْ حَيْثُ أَمَرَهُمْ أَبُوهُم مَّا كَانَ يُغْنِي عَنْهُم مِّنَ اللّهِ مِن شَيْءٍ إِلاَّ حَاجَةً فِي نَفْسِ يَعْقُوبَ قَضَاهَا"Verily, the decision rests only with Allah. In Him, I put my trust and let all those that trust, put their trust in Him."And when they entered according to their father's advice, it did not avail them in the least against (the will of) Allah; it was but a need of Yaqub's inner self which he discharged,as a precaution against the evil eye,وَإِنَّهُ لَذُو عِلْمٍ لِّمَا عَلَّمْنَاهُAnd verily, he was endowed with knowledge because We had taught him,According to Qatadah and Ath-Thawri,he had knowledge that he implemented. Ibn Jarir said that this part of the Ayah means,he has knowledge that We taught him,وَلَـكِنَّ أَكْثَرَ النَّاسِ لَا يَعْلَمُونَbut most men know not