The saying of the Prophet (ﷺ) ﷺ to Al-Hasan bin ‘Ali رضي الله عنهما, “This son of mine is Saiyid (a noble) and may Allah make peace between two big groups (of Muslims) through him.”

Sahih al-Bukhari · Book 53 · Hadith 2704

حَدَّثَنَا عَبْدُ اللَّهِ بْنُ مُحَمَّدٍ، حَدَّثَنَا سُفْيَانُ، عَنْ أَبِي مُوسَى، قَالَ سَمِعْتُ الْحَسَنَ، يَقُولُ اسْتَقْبَلَ وَاللَّهِ الْحَسَنُ بْنُ عَلِيٍّ مُعَاوِيَةَ بِكَتَائِبَ أَمْثَالِ الْجِبَالِ فَقَالَ عَمْرُو بْنُ الْعَاصِ إِنِّي لأَرَى كَتَائِبَ لاَ تُوَلِّي حَتَّى تَقْتُلَ أَقْرَانَهَا‏.‏ فَقَالَ لَهُ مُعَاوِيَةُ ـ وَكَانَ وَاللَّهِ خَيْرَ ال…

Narrated Al-Hasan Al-Basri: By Allah, Al-Hasan bin `Ali led large battalions like mountains against Muawiya. `Amr bin Al-As said (to Muawiya), "I surely see battalions which will not turn back before killing their oppon…