Spiritual paralysis of those who rejected faith

يَوْمَ يُكْشَفُ عَن سَاقٍ وَيُدْعَوْنَ إِلَى ٱلسُّجُودِ فَلَا يَسْتَطِيعُونَ

The Day the shin will be uncovered and they are invited to prostration but they [i.e., the disbelievers] will not be able,