Al-Husayn b. Ibrahim b. Natana narrated to us. He said: `Ali b. Ibrahim narrated to us from his father Ibrahim b. Hashim from Muhammad b. Abi `Umayr from Yahya b. `Imran al-Halabi from al-Harith b. al-Mughira al-Nasri. He said: I heard Aba `Abdillah al-Sadiq say:

Whoever says subhanallah, alhamdulillah, la ilaha illallah and Allahu akbar forty times after every obligatory prayer before moving his feet, then asks Allah [for something], Allah will give him what he asked for.