حَدَّثَنَا مُحَمَّدُ بْنُ کَثِيرٍ أَخْبَرَنَا سُفْيَانُ عَنْ أَبِي إِسْحَقَ عَنْ الْمُهَلَّبِ بْنِ أَبِي صُفْرَةَ قَالَ أَخْبَرَنِي مَنْ سَمِعَ النَّبِيَّ صَلَّی اللَّهُ عَلَيْهِ وَسَلَّمَ يَقُولُ إِنْ بُيِّتُّمْ فَلْيَکُنْ شِعَارُکُمْ حم لَا يُنْصَرُونَ
سنن ابودوٗد · Hadith 2597
Narrated A man who heard the Prophet: Al-Muhallab ibn Abu Sufrah said: A man who heard the Prophet ﷺ say: If the enemy attacks you at night, let your war cry be Ha-Mim. They will not be helped.
Translated by Dr. Muhammad Muhsin Khan · Reviewed by Islamic University of Madinah · Published March 2020