عِدَّةٌ مِنْ أَصْحَابِنَا عَنْ سَهْلِ بْنِ زِيَادٍ عَنْ هَارُونَ بْنِ مُسْلِمٍ عَنْ رَجُلٍ مِنْ أَصْحَابِنَا وَ هُوَ الْحَسَنُ بْنُ عَلِيِّ بْنِ الْفَضْلِ وَ يُلَقَّبُ سِكْبَاجَ عَنْ أَحْمَدَ بْنِ مُحَمَّدِ بْنِ أَبِي نَصْرٍ صَاحِبِ الْأَنْزَالِ وَ كَانَ يَقُومُ بِبَعْضِ أُمُورِ الْمَاضِي ( عليه السلام ) قَالَ قَالَ لِي يَوْماً وَ أَمْلَى عَلَيَّ مِنْ كِتَابٍ التَّخَتُّمُ بِالزُّمُرُّدِ يُسْرٌ لَا عُسْرَ فِيهِ .
3. A number of our people have narrated from Sahl ibn Ziyad from Harun ibn Muslim from a man from a certain persons of our people, al-Hassan ibn Ali ibn al-Fadl called Sikbaj from Ahmad ibn Muhammad from ibn abu Nasr, Sahib al-’Anzal who worked for certain tasks of al-Madiy , has said the following: “He (the Imam), Alayhi al-Salam, one day said to me dictating in a book, ‘Using emerald in a ring is a comfort which is free of difficulties.’” 