To his judge in Kufa
Nahj al-Balāgha|Volume 1|Book 2|Chapter 3
شَهِدَ عَلَى ذلِكَ الْعَقْلُ إِذَا خَرَجَ مِنْ أَسْرِ الْهَوَى، وَسَلِمَ مِنْ عَلاَئِقِ الدُّنْيَا.
This document is witnessed by intelligence when it is free from the shackles of desires and safe from the attachments to this world.