The Messenger of Allah ﷺ said, "No man memorizes the Quran and then forgets it except that he will meet Allah on the Day of Resurrection maimed."
حدثنا محمد بن العلاء أخبرنا ابن إدريس عن يزيد بن أبي زياد عن عيسى بن فائد
قال رسول الله ﷺ ما من امرئ يقرأ القرآن ثم ينساه إلا لقي الله عز وجل يوم القيامة أجذم
No references are available.
[Its chain of transmission is daif]Yazid bin Abu Ziyad is daif, mentioned previously at 749, and Isa bin Faid is majhul (unknown), as stated in Taqrib. He did not hear it directly from Saad, there being an unknown man between them, as narrated by Ahmad, 4/285, and Darimi, 3343.