Long lifespan of the Imam عليه السلام
Kitāb al-Ghayba|Volume 1|Book 1|Chapter 49
409- وروى الفضل بن شاذان، عن أحمد بن عيسى العلوي، عن أبيه، عن جده قال: قال أمير المؤمنين عليه السلام: صاحب هذا الامر من ولدي (الذي) يقال:مات! قتل! لا،بل هلك! لا،بل بأي واد سلك!
H 409 - Fadhl bin Shazan has narrated from Ahmad bin Isa Alawi from his father from his grandfather that Amirul Momineen عليه السلام said: “The Master of this Affair is from my offspring. He is the one about whom it will be said: He has died, killed, perished, no rather gone to some unknown place.”