٤ـ أَحْمَدُ بْنُ إِدْرِيسَ عَنْ مُحَمَّدِ بْنِ أَحْمَدَ عَنْ أَحْمَدَ بْنِ الْحَسَنِ بْنِ عَلِيٍّ عَنْ عَمْرِو بْنِ سَعِيدٍ عَنْ مُصَدِّقِ بْنِ صَدَقَةَ عَنْ عَمَّارٍ السَّابَاطِيِّ عَنْ أَبِي عَبْدِ الله (عَلَيْهِ الْسَّلام) قَالَ سَأَلْتُهُ عَنِ الرَّجُلِ إِذَا أَرَادَ أَنْ يَسْتَنْجِيَ بِأَيِّمَا يَبْدَأُ بِالْمَقْعَدَةِ أَوْ بِالإِحْلِيلِ فَقَالَ بِالْمَقْعَدَةِ ثُمَّ بِالإِحْلِيلِ.
4. Ahmad ibn Idris has narrated from Ahmad ibn Muhammad from Ahmad ibn al-Hassan ibn Ali from ‘Amr ibn Sa‘id from Musaddiq ibn Sadaqah from ‘Ammar al-Sabatiy who has said the following: “I once asked abu ‘Abd Allah , ‘Should a man after using the toilet first wash his buttocks or his urethra?’ He (the Imam) said, ‘It is buttocks, then urethra.’” 