Surah Al-Inshiqaq, verse 18

فَلَآ أُقْسِمُ بِٱلشَّفَقِ ﴿١٦﴾

So I swear by the twilight glow

وَٱلَّيْلِ وَمَا وَسَقَ ﴿١٧﴾

And [by] the night and what it envelops

لَتَرْكَبُنَّ طَبَقًا عَن طَبَقٍۢ ﴿١٩﴾

[That] you will surely embark upon [i.e., experience] state after state.

فَمَا لَهُمْ لَا يُؤْمِنُونَ ﴿٢٠﴾

So what is [the matter] with them [that] they do not believe,