Sahih Bukhari, Hadith: Q4707-2, (5) Chapter. The Statement of Allah: “And worship your Lord until there comes unto you the certainty (i.e., death).” (V.15:99)

صحيح البخاري

Sahih Bukhari

كتاب تفسير القرآن

The Book of Commentary

باب قوله: {واعبد ربك حتى يأتيك اليقين} :

(5) Chapter. The Statement of Allah:“And worship your Lord until there comes unto you the certainty (i.e., death).”(V.15:99)