hadith
4045
۞
Imam al-Rida (AS) said, ‘I urge you to use the weapon of the prophets, upon which he was asked, ‘What is the weapon of the prophets?, to which he replied, ‘Supplication.
الإمامِ الرِّضا (عَلَيهِ الّسَلامُ): عَلَيكُم بِسِلاحِ الأنبِياءِ . فَقيلَ: وما سِلاحُ الأنبِياءِ؟ قالَ: الدُّعاءُ .