Dr. Mustafa Khattab, the Clear Quran - Surah Al-Hijr, ayah 99

Translation of Surah Al-Hijr, ayah 99 (15:99)

وَٱعۡبُدۡ رَبَّكَ حَتَّىٰ يَأۡتِيَكَ ٱلۡيَقِينُ ٩٩
and worship your Lord until the inevitable1 comes your way.

Foot notes

222032

i.e., lit., what is certain—death.