مُحَمَّدُ بْنُ يَحْيَى عَنْ أَحْمَدَ بْنِ مُحَمَّدٍ عَنْ إِدْرِيسَ بْنِ الْحَسَنِ عَنْ عُبَيْدِ بْنِ زُرَارَةَ عَنْ أَبِيهِ عَنْ أَبِي عَبْدِ اللَّهِ ( عليه السلام ) قَالَ إِنَّ الْجَوْزَ وَ الْجُبُنَّ إِذَا اجْتَمَعَا كَانَا دَوَاءً وَ إِذَا افْتَرَقَا كَانَا دَاءً .
3. Muhammad ibn Yahya has narrated from Ahmad ibn Muhammad from Idris ibn al-Hassan from ‘Ubayd ibn Zurarah who has said the following: “He (the Imam) , has said, ‘Walnut and cheese together are medicine but separately they are ailments and diseases.’” 