Abul Qasim Al-Qushayri was a student of the Shaykh Abu `Ali al-Daqqaq, He was a muhaddith who transmitted hadith to pupils by the thousands in Naysabur, in which he fought the Mu`tazila until he fled to Makkah to protect his life, He was also a mufassir who wrote a complete commentary of the Qur'an entitled Lata'if al-isharat bi tafsir al-Qur'an (The subtleties and allusions in the commentary of the Qur'an).