accountability for disbelief

ثُمَّ عَبَسَ وَبَسَرَ

Then he frowned and scowled;

قُتِلَ ٱلْإِنسَـٰنُ مَآ أَكْفَرَهُۥ

Destroyed [i.e., cursed] is man; how disbelieving is he.