Nahj al-Balāgha
Hadith 1207شَهِدَ 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.