قَالَ سُفْيَانَ الثَّوْرِيِّ رَحِمَهُ اللَّٰهُ: إِذَا زَهِدَ الْعَبْدُ فِي الدُّنْيَا أَنْبَتَ اللَّهُ الْحِكْمَةَ فِي قَلْبِهِ وَأَطْلَقَ بِهَا لِسَانَهُ وَبَصَّرَهُ عُيُوبَ الدُّنْيَا وَدَاءَهَا وَدَوَاءَهَا

Sufyān ath-Thawrī (may Allāh have mercy upon him) said:

“When a servant renounces the world, Allāh will cause wisdom to grow in his heart and to come forth from his tongue. He will grant him insight into the faults of the world, its diseases, and its cures.”

• Ḥilyatul Awliyā’ (6/389)