4. My father (rah) said: it was narrated to me by Sa’d b. Abdillah from al-Haytham b. Abi Masruq al-Hindi from Ismail b. Sahl who said
The narrator wrote to Imam Muhammad Baqir (a.s.) to let him know those deeds, which will keep him along with Imam (a.s.) in this world and the hereafter. Imam (a.s.) replied, “Recite Innaa anzalnaa (Surah Qadr) extensively and your tongue should not stop from repenting.”