7. It was narrated to me by Muhammad b. al-Hassan who said it was narrated to us by Muhammad b. al-Hassan al-Saffar from Ya’qub b. Yazid from Safwan b. Yahya from Ibn Muskan from Abi Abdillah who said: “One who does Ziyarat of the grave of Imam Husain knowing his right; the Almighty Allah forgives all his past and future sins.”