٧ـ عَنْهُ عَنْ أَبِيهِ عَنِ ابْنِ أَبِي عُمَيْرٍ عَنْ عَبْدِ الله بْنِ سِنَانٍ عَنْ أَبِي عَبْدِ الله (عَلَيهِ السَّلام) قَالَ الدُّعَاءُ أَنْفَذُ مِنَ السِّنَانِ الْحَدِيدِ. 
7. It is narrated from him (narrator of the Hadith above) from his father from Ibn Abi ‘Umayr from ‘Abd Allah ibn Sinan from Abu ‘Abdillah  who has said the following: “Abu ‘Abd Allah  has said, ‘Prayer, pleading before Allah for help, is more effective than spears of iron.’” 