(Al-Qiyama) 75 : 1
بِسْمِ اللَّهِ الرَّحْمَٰنِ الرَّحِيمِ لَا أُقْسِمُ بِيَوْمِ الْقِيَامَةِ
Nay; I do swear by the Last day.
This Surah addresses the Hypocrites and their followers-Mushriks-mentioned in the verse 48: 6 who do not believe in the Last Day by ignoring Adhikr. See explanation 2: 6-7, 113; 10: 53 and 64: 7.