﴿ يَوْمَ تُوَلُّونَ مُدْبِرِينَ مَا لَكُم مِّنَ ٱللَّهِ مِنْ عَاصِمٍۢ ۗ وَمَن يُضْلِلِ ٱللَّهُ فَمَا لَهُۥ مِنْ هَادٍۢ ﴾

“the Day when you will [wish to] turn your backs and flee, having none to defend you against God: for he whom God lets go astray can never find any guide.”

Please check ayah 40:35 for complete tafsir.