15:99
وَٱعْبُدْ رَبَّكَ حَتَّىٰ يَأْتِيَكَ ٱلْيَقِينُ٩٩
And worship your Lord until there comes to you the certainty [i.e., death].
— Saheeh International
الْحِجْرُ
And worship your Lord until there comes to you the certainty [i.e., death].
— Saheeh International