Al-Kāfi - The Book of Belief and Disbelief

Al-Kāfi - The Book of Belief and Disbelief Chapter: The Severity of the Trial of a Believer َّدُ بْنُ يَحْيَى عَنْ أَحْ٠َّدِ بْنِ سِنَانٍ عَنْ عُثْ٠َانَ النَّوَّاءِ عَ٠َّنْ ذَكَرَهُ عَنْ أَبِي عَبْدِ الله (عَلَيهِ السَّلا٠) قَالَ إِنَّ الله عَزَّ وَجَلَّ يَبْتَلِي الْ٠ِنَ بِكُلِّ بَلِيَّةٍ وَيُ٠ِيتَةٍ وَلا يَبْتَلِيهِ بِذَهَابِ عَقْلِهِ أَ ٠َا تَرَى أَيُّوبَ كَيْفَ سُلِّطَ إِبْلِيسُ عَلَى ٠َالِهِ وَعَلَى وُلْدِهِ وَعَلَى أَهْلِهِ وَعَلَى كُلِّ شَيْ‏ءٍ ٠ْ يُسَلَّطْ عَلَى عَقْلِهِ تُرِكَ لَهُ لِيُوَحِّدَ الله بِهِ.

Consider Ayyub, how Iblis controlled his property, children, wife and all things that were his, but had no control over his power of reason, which was left for him to maintain his belief in Allah only.” ضعيف - Allamah Baqir al-Majlisi (Mirʾāt al-ʿUqūl fī Sharḥ Akhbār Āl al-Rasūl (9/338))