Nahj al-Balāgha
Hadith 1900٣٤١. وَقَالَ (عليه السلام): يَوْمُ الْعَدْلِ عَلَى الظَّالِمِ أَشَدُّ مِنْ يَومِ الْجَوْرِ عَلَى الْمَظْلُومِ!
341. Amīr al-mu’minīn, peace be upon him, said: The day of justice will be severer on the oppressor than the day of oppression on the oppressed.