The Arabic Influences on Early Modern Occult Philosophy
Liana Saif's The Arabic Influences on Early Modern Occult Philosophy, published by Palgrave Macmillan in 2015 as a revised version of her Oxford doctoral dissertation, represents one of the most significant methodological interventions in the study of Renaissance magic and esotericism in the past two decades. Working at the intersection of Arabic intellectual history, Latin medieval philosophy, and Renaissance studies, Saif undertook to demonstrate what had been recognized in principle but rarely worked out in sustained detail: that the magical and occult philosophical traditions of Renaissance Europe were not simply derived from Greek Neoplatonism and the Hermetic texts as Ficino and his contemporaries received and presented them, but were substantially shaped — in their cosmological assumptions, their theory of stellar influence, their understanding of the mechanics of magical operation — by the Arabic philosophical and scientific tradition that served as the primary vehicle of transmission from late antiquity through the Latin Middle Ages. The book challenges, in consequence, a genealogy of Renaissance esotericism that has run from Yates through much subsequent scholarship: a genealogy that begins with the Greek Hermetic and Neoplatonic sources, passes through Ficino's Florentine translations, and produces the Renaissance magical tradition as essentially a Greek-Latin phenomenon with Islamic civilization as a passive conduit. Saif shows instead that the Arabic tradition was an active and creative intermediary, transforming and elaborating the materials it transmitted in ways that fundamentally shaped what European scholars received.
Content and Argument
The book develops its argument in three stages. The first establishes the philosophical framework of the Arabic astro-magical tradition, focusing principally on two figures: al-Kindi (c. 801–873) and Abu Ma'shar (787–886). Al-Kindi's treatise De radiis — which survives only in Latin translation and was the principal vehicle of his influence on medieval and Renaissance occult philosophy — articulates a theory of stellar rays (radii) as the medium through which celestial influence descends to and operates upon the terrestrial world. This theory provides a naturalistic mechanism for astrological effect that goes beyond the Aristotelian doctrine of celestial motion as the cause of terrestrial change, and it is this mechanism — the idea that stars emit specific qualitative influences that can be captured, concentrated, and redirected by the skilled operator — that underlies the theory of talismanic magic in Ficino and Agrippa. Abu Ma'shar's astrological cosmology, elaborated in his Introductorium maius (translated into Latin in the twelfth century), provided an integrative framework that connected Aristotelian physics, Ptolemaic astronomy, and a theory of historical cycles to produce a comprehensive account of celestial influence over human affairs and history. The second stage of Saif's argument traces the Latin transmission of these Arabic materials and their incorporation into the scholastic philosophical tradition through the translations of the twelfth and thirteenth centuries. The third and most original stage examines their specific role in shaping the magical philosophy of Ficino's De vita coelitus comparanda, Pico della Mirandola's engagement with both Kabbalah and astrology, and Cornelius Agrippa's systematic account of magical procedure in De occulta philosophia. Saif's key concept for describing the Arabic contribution is ta'thir — the Arabic philosophical term for emanative influence or effluence — which she argues provides the conceptual core of the astro-magical philosophy that Walker and Yates described without adequately explaining its genealogy. The concept of ta'thir as Saif analyzes it combines Neoplatonic emanationism, Aristotelian theory of efficient causation, and a specifically Arabic understanding of how intelligences and celestial bodies produce effects in the lower world — a synthesis that was not available in the Greek sources Ficino had direct access to and that entered European thought primarily through Arabic-to-Latin translation.
Methodology
Saif's method combines textual philology with the history of philosophical concepts. She reads Arabic texts in the original as well as in their medieval Latin translations and comparatively analyzes doctrinal content across linguistic traditions, tracking the transmission, transformation, and creative adaptation of specific ideas. This approach requires multilingual competence — Arabic, Latin, and medieval French — of a kind that is rare among historians of Renaissance philosophy, who have typically worked with the Greek and Latin sources while relying on secondary literature for the Arabic background. Saif's ability to read the Arabic originals directly and compare them with their Latin versions gives her access to dimensions of the transmission process — mistranslations, condensations, significant omissions or additions — that cannot be detected from the Latin alone. Her work thus belongs to a growing body of scholarship, alongside that of Kevin van Bladel, David Pingree, and Charles Burnett, that is fundamentally revising the standard account of Arabic-to-Latin philosophical transmission by showing how active and transformative a process it was.
Modern Scholarship
Saif's book has been widely and positively received in both medieval Islamic philosophy and Renaissance studies, and it has prompted a significant revision of how specialists in the latter field think about the genealogy of Renaissance occultism. Hanegraaff's recent work, particularly Hermetic Spirituality and the Historical Imagination (2022), incorporates Saif's findings as part of a broader argument for the centrality of Arabic transmission in the long history of the Hermetic and magical tradition. Van Bladel's The Arabic Hermes (Oxford, 2009), which appeared shortly before Saif's book and provides the fullest account of the Arabic Hermetic corpus, is an essential companion to her work, establishing the Arabic context she builds upon. The book is also in productive dialogue with David Porreca's work on the Latin reception of Hermes in the medieval classroom — where Porreca shows how medieval Latin scholars encountered Hermetic and pseudo-Hermetic texts, Saif shows what philosophical tools those same scholars brought to their reading from the Arabic tradition. The broader implication of Saif's argument is methodological: the history of Renaissance esotericism cannot be written responsibly from Greek and Latin sources alone, and the field needs scholars capable of reading Arabic philosophical literature as primary sources rather than treating it as background context.
Literature
Van Bladel, Kevin. The Arabic Hermes: From Pagan Sage to Prophet of Science. Oxford: Oxford University Press, 2009.
Walker, D. P. Spiritual and Demonic Magic from Ficino to Campanella. London: Warburg Institute, 1958.
Pingree, David. From Astral Omens to Astrology: From Babylon to Bīkāner. Rome: Istituto Italiano per l'Africa e l'Oriente, 1997.
Burnett, Charles, ed. Magic and Divination in the Middle Ages: Texts and Techniques in the Islamic and Christian Worlds. Aldershot: Variorum, 1996.
Hanegraaff, Wouter J. Hermetic Spirituality and the Historical Imagination. Cambridge: Cambridge University Press, 2022.
Saif, Liana. The Arabic Theory of Astral Influences in the Renaissance. Oxford: Oxford University Press, 2021.