Al-Kāfi - Volume 5 > The Slogan
Hadith #3

وَرُوِيَ أَيْضاً أَنَّ شِعَارَ الْمُسْلِمِينَ يَوْمَ بَدْرٍ يَا مَنْصُورُ أَمِتْ وَشِعَارَ يَوْمِ أُحُدٍ لِلْمُهَاجِرِينَ يَا بَنِي عَبْدِ اللهِ يَا بَنِي عَبْدِ الرَّحْمَنِ وَلِلأوْسِ يَا بَنِي عَبْدِ اللهِ.

3. It also is narrated that the slogan of the Muslims on the day of Badr was, ‘O Victorious, Higher!’ The slogan of al-Muhajirun on the day of ‘Uhud was, ‘O banu ‘Abd Allah, (you must strive) O banu ‘Abd al-Rahman!’ The slogan of al-Aws was, ‘O banu ‘Abd Allah!”’