Ibn Hajar al-Asqalani on Imam ar-Razi

Ibn Hajar states in his Lisaan al-Meezan concerning Imam Fakhr ad-Deen ar-Razi, who is arguably the most prominent and influential theologian in the Ash’ari school:

رأس في الذكاء والعقليات لكنه عرى من الآثار وله تشكيكات على مسائل من دعائم الدين تورث حيرة نسأل الله أن يثبت الإيمان في قلوبنا وله [كتاب السر المكتوم في مخاطبة النجوم] سحر صريح فلعله تاب من تأليفه إن شاء الله تعالى

"He was highly intelligent and knowledgeable in the intellectual sciences, yet devoid of [using] narrations. He expressed doubts on some pillars of the deen, which leads to confusion. We ask Allah to strengthen Iman in our hearts. He authored al-Sirr al-Maktum fi Mukhatabat al-Nujum, which contains explicit magic. By Allah’s will, it is hoped that he repented from writing it.”