بِسْمِ اللَّهِ الرَّحْمَٰنِ الرَّحِيمِ
In the name of Allah, Most Gracious, Most Merciful.
50:40
وَمِنَ ٱلَّيْلِ فَسَبِّحْهُ وَأَدْبَـٰرَ ٱلسُّجُودِ
50:40
And say His Purity during the night, and after the customary prayers. - Ahmed Raza Khan (English)