The Peak of Eloquence · Hadith 2043 (#Passage #402)

٣٢٥. وَقَالَ (عليه السلام) لَمَّا بَلَغَهُ قَتْلُ مُحَمَّدِ بْنِ أَبِي بَكْرٍ: إِنَّ حُزْنَنَا عَلَيْهِ عَلَى قَدْرِ سُرُورِهِمْ بِهِ، إِلَّا أَنَّهُمْ نَقَصُوا بَغِيضاً، وَنَقَصْنَا حَبِيباً.

325. When the news of killing of Muḥammad ibn Abī Bakr [1] reached Amīr al-mu’minīn, peace be upon him, he said: Our grief over him is as great as their (i.e. the enemy’s) joy for it, except that they have lost an enemy and we have lost a friend.

Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).