Abu Moosaa Muhammad Ibnul Muthannaa said:

We used to read to a blind Shaikh, so when the (innovated) speech about the Qur’aan being created occurred in Baghdad the Shaikh said: ”If the Qur’aan is not created, then may the Qur’aan be wiped off my heart (i.e. from my memory).” He (Abu Moosaa) said: When we heard this speech of his, we abandoned him and turned away from him.  After some time period we met him and said to him: ”O such and such, what did the Qur’aan do?” He said: ”Nothing of it remains in my chest (i.e. in my memory).”  We said: ”Not even قُلْ هُوَ اللَّهُ أَحَدٌ?” He said: ”Not even قُلْ هُوَ اللَّهُ أَحَدٌ  except when I hear it being recited by someone else.”

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Source

باب ذكر اللفظية، ومن زعم أن هذا القرآن حكاية للقرآن الذي في اللوح المحفوظ كذبوا…/ من شرح الشريعة للآجري-رحمه الله

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