This study presents and intellectual- and literary-historically contextualizes a remarkable but as yet unpublished treatise by Ibn Turka (d. 1432), foremost occult philosopher of Timurid Iran: the Munāẓara-yi bazm u razm . As its title indicates, this ornate Persian work, written in 1426 in Herat for the Timurid prince-calligrapher Bāysunghur (d. 1433), takes the form of a literary debate, a venerable Arabo-Persian genre that exploded in popularity in the post-Mongol period. Yet it triply transgresses the bounds of its genre, and doubly marries Arabic-Mamluk literary and imperial culture to Persian-Timurid. For here Ibn Turka recasts the munāẓara as philosophical romance and the philosophical romance as mirror for princes, imperializing the razm u bazm and sword vs. pen tropes within an expressly lettrist framework, making explicit the logic of the coincidentia oppositorum ( majmaʿ al-aḍdād ) long implicit in the genre in order to ideologically weaponize it. For the first time in the centuries-old Arabo-Persian munāẓara tradition, that is, wherein such debates were often rhetorically but never theoretically resolved, Ibn Turka marries multiple opposites in a manner clearly meant to be instructive to his Timurid royal patron: he is to perform the role of Emperor Love ( sulṭān ʿishq ), transcendent of all political-legal dualities, avatar of the divine names the Manifest ( al-ẓāhir ) and the Occult ( al-bāṭin ). This lettrist mirror for Timurid princes is thus not simply unprecedented in Persian or indeed Arabic literature, a typical expression of the ornate literary panache and genre-hybridizing proclivities of Mamluk-Timurid-Ottoman scientists of letters, and index of the burgeoning of Ibn ʿArabian-Būnian lettrism in late Mamluk Cairo; it also serves as key to Timurid universalist imperial ideology itself in its formative phase – and consciously epitomizes the principle of contradiction driving Islamicate civilization as a whole. To show the striking extent to which this munāẓara departs from precedent, I provide a brief overview of the sword vs. pen subset of that genre; I then examine our text’s specific political-philosophical and sociocultural contexts, with attention to Naṣīr al-Dīn Ṭūsī’s (d. 1274) Akhlāq-i Nāṣirī and Jalāl al-Dīn Davānī’s (d. 1502) Akhlāq-i Jalālī on the one hand – which seminal Persian mirrors for princes assert, crucially, the ontological-political primacy of love over justice – and the Ẓafarnāma of Sharaf al-Dīn Yazdī (d. 1454), Ibn Turka’s student and friend, on the other. In the latter, much-imitated history Amir Temür (r. 1370‒1405) was definitively transformed, on the basis of astrological and lettrist proofs, into the supreme Lord of Conjunction ( ṣāḥib-qirān ); most notably, there Yazdī theorizes the Muslim world conqueror as historical manifestation of the coincidentia oppositorum  – precisely the project of Ibn Turka in his Debate of Feast and Fight . But these two ideologues of Timurid universal imperialism and leading members of the New Brethren of Purity network only became such in Mamluk Cairo, where lettrism ( ʿilm al-ḥurūf ) was first sanctified , de-esotericized and adabized ; I accordingly invoke the overtly occultist-neopythagoreanizing ethos specific to the Mamluk capital by the late 14th century, especially that propagated at the court of Barqūq (r. 1382‒1399). For it is this Cairene ethos, I argue, that is epitomized by our persophone lettrist’s munāẓara , which it effectively timuridizes . To demonstrate the robustness of this Mamluk-Timurid ideological-literary continuity, I situate the Munāẓara-yi bazm u razm within Ibn Turka’s own oeuvre and imperial ideological program, successively developed for the Timurid rulers Iskandar Sulṭān (r. 1409‒1414), Shāhrukh (r. 1409‒1447) and Ulugh Beg (r. 1409‒1449); marshal three contemporary instances of the sword vs. pen munāẓara , one Timurid and two Mamluk, by the theologian Sayyid Sharīf Jurjānī (d. 1413), the secretary-encyclopedist Aḥmad al-Qalqashandī (d. 1418) and the historian Ibn Khaldūn (d. 1406), respectively; and provide an abridged translation of Ibn Turka’s offering as basis for comparative analysis.