“I once was with Abu ‘Abd Allah (a.s.), when he passed by the backside of al-Kufah. He disembarked for two Rak‘at salat (prayer), then he moved forward a little and performed two Rak‘at salat (prayer), then he moved a little, then disembarked and performed two Rak‘at salat (prayer), then he said, ‘This is the gravesite of ’Amir al-Mu’minin (a.s.).’ I then asked, ‘I pray to Allah to keep my soul in service for Your cause, what about the other two places where you performed salat (prayer). He (the Imam) replied, ‘One was the place of the head of (Imam) al-Husayn (a.s.), and the place of the house of al-Qa'im (a.s.).’”