Nahj al-Balāgha
Hadith 2255٤٧٣. وَقِيلَ لَهُ (عليه السلام) : لَوْ غَيَّرْتَ شَيْبَكَ يَا أَمِيرَ الْمُؤْمِنِينَ. فَقَالَ (عليه السلام) :
473. It was said to Amīr al-mu’minīn, peace be upon him: We wish you had changed your grey hair, O’ Amīr al-mu’minīn. Then he said: