مُحَمَّدُ بْنُ يَحْيَى عَنْ أَحْمَدَ بْنِ مُحَمَّدٍ عَنْ مُحَمَّدِ بْنِ سِنَانٍ عَنْ إِسْحَاقَ بْنِ عَمَّارٍ قَالَ قُلْتُ لِأَبِي عَبْدِ اللَّهِ ( عليه السلام ) أُخَالِطُ أَهْلَ الْمُرُوءَةِ مِنَ النَّاسِ وَ قَدْ أَكْتَفِي مِنَ الدُّهْنِ بِالْيَسِيرِ فَأَتَمَسَّحُ بِهِ كُلَّ يَوْمٍ فَقَالَ مَا أُحِبُّ لَكَ ذَلِكَ فَقُلْتُ يَوْمٌ وَ يَوْمٌ لَا فَقَالَ وَ مَا أُحِبُّ لَكَ ذَلِكَ قُلْتُ يَوْمٌ وَ يَوْمَيْنِ لَا فَقَالَ الْجُمُعَةُ إِلَى الْجُمُعَةِ يَوْمٌ وَ يَوْمَيْنِ .
2. Muhammad ibn Yahya has narrated from Ahmad ibn Muhammad from Muhammad ibn Sinan from Ishaq ibn ‘Ammar who has said the following: “I once said to abu ‘Abd Allah (a.s.), ‘I associate with careful people and content myself with a small amount of oil which I use little by little every day.’ He (the Imam) said, ‘I do not like it for you.’ I then asked, ‘Should I then use one day and should not use the next day?’ He (the Imam) said, ‘I do not like that for you.’ I then asked, ‘Can I use once after every two days?’ He (the Imam) said, ‘You can apply oil every Friday, once or twice a week.”’