Blindness to truth (spiritual and literal)

فَعَمِيَتْ عَلَيْهِمُ ٱلْأَنۢبَآءُ يَوْمَئِذٍ فَهُمْ لَا يَتَسَآءَلُونَ

But the information will be unapparent to them that Day, so they will not [be able to] ask one another.