Yoshitsugu Sawai
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Yoshitsugu Sawai (澤井 義次, born July 15, 1951) is a Japanese scholar of religious studies, Indian philosophy, and Tenrikyo theology. He is a Professor Emeritus at Tenri University[1].

Career
Born in Nara Prefecture in 1951. After graduating from Tenri High School, he entered the Department of Religious Studies at the Faculty of Letters, Tenri University, where he studied under the psychologist of religion Shigeru Matsumoto and others. After graduating from Tenri University, he proceeded to the Graduate School of Tohoku University (Religious Studies), studying under Masahiro Kusunoki.
Upon advancing to the Doctoral Program at Tohoku_University, he went on to study abroad at the Graduate School of Harvard University. At Harvard, he studied under such scholars of religious studies as Wilfred Cantwell Smith and John B. Carman, as well as Indologist H. H. Ingalls Sr.. His Ph.D. dissertation at Harvard focused on the thought and faith of the Śaṅkaran religious tradition, founded by the Advaita (non-dual) Vedānta philosopher Śaṅkara. This dissertation was later published as The Faith of Ascetics and Lay Smārtas (1992).
After returning to Japan, he served as a lecturer and assistant professor at the Oyasato Research Institute of Tenri University, and then as an assistant professor, professor, and chair of the Department of Religious Studies in the Faculty of Human Studies at Tenri University. From April 2014 to March 2018, he served as the Dean of the Faculty of Human Studies at Tenri University. Alongside his treatises on the theory of religious studies and Indian philosophy, he authored works on Tenrikyo theology and Tenrikyo human studies.
At Tenri University, he was involved in interreligious dialogues with the Pontifical Gregorian University in Rome (Tenrikyo-Christian Dialogue and Tenrikyo-Christian Dialogue II) and the joint research projects with the University of Marburg in Germany (Prayer as Interaction and Purification). The works of interreligious dialogues were published in both Japanese and English.
He served as a Visiting Scholar at Harvard University and the University of Oxford, Visiting Professor at the University of Santiago de Compostela (Spain), part-time lecturer at the Graduate School of Humanities and Sociology of the University of Tokyo, part-time lecturer at the Graduate School of Arts and Letters of the Tohoku University, joint researcher at the National Museum of Ethnology, and joint researcher for the "21st Century COE Program" of Doshisha University.
He retired as Professor of the Department of Religious Studies at Tenri University (concurrently Researcher at the Oyasato Institute for the Study of Religion) at the end of March 2020. He also retired as a commissioned researcher at the Oyasato Institute for the Study of Religion and lecturer at the Tenrikyo Graduate Seminary at the end of March 2022 and is currently a Professor Emeritus at Tenri University. He holds a Ph.D. (Harvard University) and a D.Litt. (Tohoku University). Furthermore, he served as the former President (currently Advisor) of the Japan Association of Religion and Ethics (JARE), Executive Director of the Japanese Association for Religious Studies, and Director of the Japanese Association of Indian and Religious Studies. He has served as the President of the Tenri University Furusato-kai (alumni association) since April 2026.
He has authored and edited numerous books. Additionally, he served as an editorial board member for the Izutsu Library of Oriental Philosophy and the Toshihiko Izutsu Complete Works (Keio University Press), overseeing and translating his English works.
Bibliography
Sole Authored Books
- The Faith of Ascetics and Lay Smārtas: A Study of the Śaṅkaran Tradition of Śṛṅgeri, Wien: Sammlung De Nobili, Universität Wien, 1992.
- Tenrikyo ningengaku no chihei[The Horizon of Tenrikyo Human Studies], Tenri: Tenri University Press, 2007.
- Tenrikyo kyogigaku kenkyu: Sei no kongenteki imi no tankyu [Tenrikyo Theological Studies: An Exploration of the Fundamental Meaning of Life], Tenri: Tenrikyo Doyusha, 2011.
- Shankara-ha no shiso to shinko [The Thought and Faith of the Śaṅkaran Tradition], Tokyo: Keio University Press, 2016.
- Zongjiaoxue de xingsi: Sawai Yoshitsugu de guandian 宗教學的省思:澤井義次的觀點 [Reflections on Religious Studies: The Perspective of Yoshitsugu Sawai] (Expanded Edition, trans. by Kao Chia-fang et al.), Taipei: Taiwanese Association for Religion and Society, 2017.
- Rudolf Otto: Shūkyōgaku no genten [Rudolf Otto: The Origin of the History of Religions], Tokyo: Keio University Press, 2019.
- Rudolf Otto and the Foundation of the History of Religions, London: Bloomsbury Academic, 2022.
- Izutsu Toshihiko: Tōyō tetsugaku no shinsō kōzō [Toshihiko Izutsu: The Deep Structure of Oriental Philosophy], Tokyo: Keio University Press, 2024.
Co-authored Books
- Chōetsu to shinpi: Chūgoku, Indo, Isurāmu no shisō sekai [Transcendence and Mystery: The World of Thought in China, India, and Islam], Tokyo: Taimeido, 1994.
- Shūkyō genshō no chihei [The Horizon of Religious Phenomena], Tokyo: Iwata Shoin, 1995.
- Kaitei Tenrikyō jiten [Revised Tenrikyo Encyclopedia], Tenri: Tenrikyo Doyusha, 1997.
- Consciousness and Reality: Studies in Memory of Toshihiko Izutsu, Tokyo: Iwanami Shoten, 1998.
- Seija-tachi no Indo [The India of Saints], Tokyo: Shunjusha, 2000.
- Kongen e: Shisaku no bōken [Toward the fundamental: An Adventure of Reflection], Tokyo: Iwanami Shoten, 2004.
- Indogaku shoshisō to sono shūen [The Thoughts of Indian Studies and Their Periphery], Tokyo: Sankibo Busshorin, 2004.
- Ikai no kōsaku [Intersection of the Other Worlds] (Vol. 2),Tokyo: Liton, 2006.
- Tagenteki sekai ni okeru kanyō to kōkyōsei [Tolerance and Publicness in the Pluralistic World], Kyoto: Koyo Shobo, 2007.
- Shūkyōshi to wa nanika [What is Religious History?] (Vol. 2), Tokyo: Liton, 2009.
- Japanese Contribution to Islamic Studies: The Legacy of Toshihiko Izutsu Interpreted, Malaysia: International Islamic University Malaysia Press, 2010.
- The Historical Development of the Bhakti Movement in India, New Delhi: Manohar, 2011.
- Shūkyō ni okeru shiseikan to chōetsu [Views on Life and Death in Religions and Transcendence], Kyoto: Hojodo Shuppan, 2013.
- Purification: Religious Transformations of Body and Mind, London: Bloomsbury, 2013.
- Rudolf Otto: Theologie-Religionsphilosophie-Religionsgeschichte, Berlin: Walter de Gruyter, 2013.
- Sekai no shūkyō to ika ni mukiau ka [How to Face the Religions in the World], Tokyo: Seikokai Shuppan, 2014.
- Tenrikyō jiten: Dai-san pan [Tenrikyo Encyclopedia: Third Edition], Tenri: Tenri University Press, 2018.
- Izutsu Toshihiko no Tōyō tetsugaku [The Oriental Philosophy of Toshihiko Izutsu] (Co-edited with Shigeru Kamada), Tokyo: Keio University Press, 2018.
- Izutsu Toshihiko zanmai [Immersion in Toshihiko Izutsu], Tokyo: Keio University Press, 2019.
- The Bloomsbury Handbook of Hindu Ethics, London: Bloomsbury Academic, 2026.
Edited and Translated Books
- The Lao-tzu: The Way and Its Virtue, translated and annotated by Toshihiko Izutsu, Tokyo: Keio University Press (The Izutsu Library Series on Oriental Philosophy 1), edited by Yoshitsugu Sawai, 2001.
- Izutsu Toshihiko, The Structure of Oriental Philosophy, 2 vols., Tokyo: Keio University Press (The Izutsu Library Series on Oriental Philosophy 4), edited by Yoshitsugu Sawai, 2008.
- (Supervising Translator) Tōyō tetsugaku no kōzō: Eranosu kaigi kōenshu [The Structure of Oriental Philosophy: Eranos Conference Lectures] by Toshihiko Izutsu (Co-translated with Nao Kaneko, Ryuichi Kogachi, and Rei Nishimura), Toshihiko Izutsu English Works Translation Collection, Keio University Press, 2019.
Awards
- 1988: Japanese Association for Religious Studies Award for "Śaṅkara's Theory of Saṃnyāsa" and four other papers.
- 1986: Tōhō Gakkai (The Institute of Eastern Culture) Award for the paper "History and Traditions of the Śaṅkaran Monasteries" (Tōhō Gaku Vol. 70) and related research activities.