Quran Al-Hijr 15:99
وَٱعۡبُدۡ رَبَّكَ حَتَّىٰ يَأۡتِيَكَ ٱلۡيَقِينُ ٩٩
Translation
And worship your Lord until there comes to you the certainty [i.e., death].
وَٱعۡبُدۡ رَبَّكَ حَتَّىٰ يَأۡتِيَكَ ٱلۡيَقِينُ ٩٩
And worship your Lord until there comes to you the certainty [i.e., death].