Al Qiyamah, 2 Ayah

75:2

وَلَآ أُقۡسِمُ بِٱلنَّفۡسِ ٱللَّوَّامَةِ ٢

Wa Lā 'Uqsimu Bin-Nafsi Al-Lawwāmahi

And I swear by the reproaching soul [to the certainty of resurrection].