The Supplication of Kumayl ibn Ziyad al-Nakha’i, one of the close disciples of Imam AliAmeer al-Momineen(a.s.). This is one of the well-known supplications. Being the supplication of al-Khadir (a.s.)‘Allamah al-Majlisi says that it is the best of all supplications, which Imam AliAmeer al-Momineen(a.s.) taught to Kumayl, one of his best disciples. Recommendably, the supplication may be said during nights of mid-Sha’ban and every Thursday evening (i.e. the nights before Fridays). It is useful for protecting against the evil of enemies, for opening the gate of sustenance, and for forgiveness of sins. Both Shaykh al-Tusiand Sayyid Ibn Tawus have recorded this supplication; rather, I am quoting it from the book of Misbah al-Mutahajjid as follows: