“This son of mine is a chief, and Allah may make peace between two groups of Muslims through him.”

Sahih al-Bukhari · Book 92 · Hadith 7110

حَدَّثَنَا عَلِيُّ بْنُ عَبْدِ اللَّهِ، حَدَّثَنَا سُفْيَانُ، قَالَ قَالَ عَمْرٌو أَخْبَرَنِي مُحَمَّدُ بْنُ عَلِيٍّ، أَنَّ حَرْمَلَةَ، مَوْلَى أُسَامَةَ أَخْبَرَهُ قَالَ عَمْرٌو وَقَدْ رَأَيْتُ حَرْمَلَةَ قَالَ أَرْسَلَنِي أُسَامَةُ إِلَى عَلِيٍّ وَقَالَ إِنَّهُ سَيَسْأَلُكَ الآنَ فَيَقُولُ مَا خَلَّفَ صَاحِبَكَ فَقُلْ لَهُ يَقُولُ لَكَ لَوْ كُنْتَ فِي شِدْ…

Narrated Harmala: (Usama's Maula) Usama (bin Zaid) sent me to `Ali (at Kufa) and said, "`Ali will ask you, 'What has prevented your companion from joining me?' You then should say to him, 'If you (`Ali) were in the mout…