Ahmad b. Ziyad al-Hamadani narrated to us. He said: `Ali b. Ibrahim b. Hashim narrated to us from his father from Muhammad b. Abi `Umayr from Jamil b. Darraj from al-Sadiq Ja`far b. Muhammad . He said:

When Allah decides to resurrect the creation, He will cause the sky to rain on the Earth for forty mornings. Then, the bones, the vegetation, and the flesh will reassemble.