Al-Kāfi
Hadith 16265ـ عِدَّةٌ مِنْ أَصْحَابِنَا عَنْ سَهْلِ بْنِ زِيَادٍ عَنِ الْحَسَنِ بْنِ عَلِيٍّ الْوَشَّاءِ عَنْ أَبِي الْحَسَنِ (عَلَيهِ السَّلام) قَالَ كَانَ عَلِيُّ بْنُ الْحُسَيْنِ (عَلَيهِما السَّلام) يَقُولُ الدُّعَاءُ يَدْفَعُ الْبَلاءَ النَّازِلَ وَمَا لَمْ يَنْزِلْ.
5. A number of our people have narrated from Sahl ibn Ziyad from al-Hassan ibn Ali al-Washsha’ from abu al-Hassan (a.s.) who has said the following: “Ali ibn al-Husayn (a.s.) has said, ‘Prayer and pleading before Allah for help, repels the misfortune that has already come down and that which has not yet come down.’”