وَأَلَّفَ بَيۡنَ قُلُوبِهِمۡۚ لَوۡ أَنفَقۡتَ مَا فِي ٱلۡأَرۡضِ جَمِيعٗا مَّآ أَلَّفۡتَ بَيۡنَ قُلُوبِهِمۡ وَلَٰكِنَّ ٱللَّهَ أَلَّفَ بَيۡنَهُمۡۚ إِنَّهُۥ عَزِيزٌ حَكِيمٞ
and united their hearts. Had you spent all that is in the earth, you could not have united their hearts, but Allah united them together. Indeed He is all-mighty, all-wise.
Agha Ali Puya Commentary
Commentary on Quran 8:63
[Pooya/Ali Commentary 8:63] Through the grace of Allah the erstwhile disorganised, prone to rivalries and jealousies, and addicted to internecine warfare Arabs were united under the gentle, firm and wise guidance of the Holy Prophet.