Death

It is reported from Imam Sadiq, Peace be upon him, from his father that he said: “Jesus, Peace be upon him, used to say: ‘Regarding the terror which you do not know when you will encounter [i.e. death], what prevents you from preparing for it before it comes upon you suddenly?’ ^{1 2}

References:

1. Bihar al-anwar, xiv, 330[↩]
2. Words of the Word of God: Jesus Christ (a) Speaks through Shii Narrations, Mahdi Muntazir Qa’im and Muhammad Legenhausen[↩]

[Quran Chapter 30:5-6] 5. In Allah's support. He supports whomever He wills. He is the Almighty, the Merciful. 6. The promise of Allah—Allah never breaks His promise, but most people do not know.