304. hadíth
أَبِی ره قَالَ حَدَّثَنَا عَلِیُّ بْنُ إِبْرَاهِیمَ عَنْ أَبِیهِ عَنْ أَحْمَدَ بْنِ أَبِی نَصْرٍ قَالَ: سَأَلَ بَعْضُ أَصْحَابِنَا أَبَا الْحَسَنِ الرِّضَا ع عَمَّنْ أَتَی قَبْرَ الْحُسَیْنِ ع قَالَ تُعَادِلُ حِجَّهً وَ عُمْرَهً.
8. My father (rah) said: it was narrated to us by Ali b. Ibrahim from his father from Ahmad ibn Abi Nasr who said: Some of our companions asked Abu al-Hasan al-Rida (as) about the one who visits the grave of al-Husayn (as). He said: ‘It is equivalent to a Hajj and an Umrah.’”