Al-Tusi was critical of certain non-standard Quranic readings (Qira'at) that were common among some early Kufan scholars. He defends the established Mutawatir (mass-transmitted) recitation, showing his rigorous methodology.

, many commentators relied almost exclusively on oral traditions. Tusi started a "new trend" where: Rational Analysis (Ijtihad):

The search typically refers to one of two monumental works in Islamic scholarship: the classical 11th-century Arabic exegesis by Shaykh Tusi or the contemporary Urdu commentary by Allama Ghulam Rasool Saeedi .