Nahj al-Balāgha
Hadith 1884٣١٨. وَقِيلَ لَهُ (عليه السلام): بِأَيِّ شَيْءٍ غَلَبْتَ الْأَقْرَانَ، فَقَالَ (عليه السلام): مَا لَقِيتُ رَجُلًا إِلَّا أَعَانَنِى عَلَى نَفْسِهِ.
318. Amīr al-mu’minīn, peace be upon him, was asked: With what did you overpower your adversaries? He answered: Whenever I confronted a person he helped me against himself.