15:99
Al-Hijr 99
Surah Al-Hijr (الحجر), verse 99 — reference 15:99. Arabic text with optional translation and free audio on Al-Qalam.
وَٱعْبُدْ رَبَّكَ حَتَّىٰ يَأْتِيَكَ ٱلْيَقِينُ
wa-uʿ'bud rabbaka ḥattā yatiyaka l-yaqīnu
And worship your Lord until there comes to you the certainty [i.e., death].