20. Ta-Ha

Ta-Ha, 135 Meccan verses opening with two of the 'disjointed letters,' is largely devoted to Moses, his call at the burning bush, his commission to Pharaoh with his brother Aaron, the contest with the magicians, and the golden calf made by the Samiri. Tradition holds this surah was being read in the house of Umar ibn al-Khattab at the moment of his conversion.

Umar ibn al-Khattab's conversion narrative, preserved in the biographical tradition, describes him going in anger to confront his sister and her husband over reports they had joined Muhammad, only to hear them reciting the opening verses of Ta-Ha and, once he read the pages himself, being moved to profess faith immediately, an episode Islamic historiography treats as a turning point given Umar's later role as the second caliph. The surah's account of Moses at the burning bush (20:9-24) is distinguished among the Quran's several retellings by its emphasis on the removal of sandals in the sacred valley of Tuwa and the naming of God's own self-description, 'I am God, there is no god but Me' (20:14), read by commentators as the clearest first-person divine self-identification given to any prophet in the Quranic narrative. Al-Qurtubi's commentary on the golden calf episode notes the surah attributes the calf's making specifically to a figure called al-Samiri rather than to Aaron, a detail that shifts blame away from the prophet left in charge and has generated extensive exegetical discussion of al-Samiri's identity, unresolved beyond the Quran's own account.

Ta-Ha closes with a short prayer placed in Muhammad's own mouth, 'my Lord, increase me in knowledge' (20:114), a verse that became, independently of the surah's narrative about Moses, one of the most widely memorised and recited supplications in Islamic educational culture, taught to students beginning a course of religious study and cited as scriptural grounding for the high value classical Islamic civilisation placed on the pursuit of knowledge generally, not only religious learning.

The surah's account of Moses at the burning bush is distinguished in classical commentary by its detail that Moses was told to remove his sandals in the sacred valley of Tuwa (20:12), a specific instruction absent from some of the Quran's other retellings of the same scene, and by God's own first-person self-description to Moses, 'I am God, there is no god but Me' (20:14), read by commentators as among the most direct statements of divine self-identification given to any prophet across the Quran's several accounts of prophetic commissioning. The prayer's brevity, only a handful of words in Arabic, is itself cited by teachers as a model for concise, focused supplication rather than lengthy or elaborate petition.