Maitreyanatha (मैत्रेयनाथ - Maitreyanātha, rendered in Tibetan as བྱམས་པ་མགོན་པོ། byams pa mgon po Jampa Gönpo, and in Chinese as 弥勒菩萨 / 彌勒菩薩 - Mile Pusa or 慈氏 - Cishi, universally revered across India, Tibet, Nepal, Bhutan, Mongolia, China, Korea, Japan, Vietnam, and the global Buddhist world as the primordial founder and inspirational source of the Yogacara / Chittamatra school of Mahayana Buddhism), acclaimed throughout Asian Buddhist history since the 3rd century and 4th century as the transcendent Bodhisattva—and, in modern historical scholarship, also studied as an eminent human Indian Buddhist Master who taught Asanga—stands as a towering figure in world religious philosophy. With his historical activity placed in the 3rd century and 4th century (with modern scholars estimating his year of birth around 270 and his year of death around 350 in northern India, while traditional Mahayana accounts identify him directly with the celestial Bodhisattva Maitreya residing in the Tushita heaven who will descend as the next Buddha of this eon), Maitreyanatha illuminated the path from anicca, dukkha, and anatta through fearless renunciation and unshakeable refuge in the Buddha, the Dharma, and the Sangha toward complete awakening.
Historically and biographically, two complementary perspectives illuminate the identity of Maitreyanatha: in classical Tibetan and Chinese Mahayana hagiography, Asanga (c. 310–390) practiced twelve years of solitary meditation at Kukkutapada mountain in Magadha until his boundless compassion and loving-kindness dissolved his karmic obscurations, enabling him to behold Maitreya Bodhisattva face-to-face, ascend to Tushita, and receive the Five Treatises of Maitreya; whereas in modern Indological historiography—pioneered by scholars such as Hakuju Ui, Erich Frauwallner, and Giuseppe Tucci—Maitreyanatha is recognized as a historical 3rd century–4th century Indian Yogacara master active in Ayodhya and Gandhara who directly mentored Asanga and initiated the systematic systematization of Yogacara philosophy, ethical conduct, precepts, mindfulness, concentration, and wisdom.
Whether viewed as the celestial regent of Tushita or as Asanga's historical guru in Ayodhya, Maitreyanatha stands as the foundational architect of the Yogacara (Mind-Only / Consciousness-Only) tradition, shifting Mahayana inquiry from purely external ontological negation toward a penetrating phenomenological investigation of how deluded consciousness constructs subject-object duality across samsara, and how the fundamental transformation of consciousness (ashrayaparavritti) reveals non-dual wisdom and nirvana.
Literarily, Maitreyanatha is revered as the author of the celebrated Five Treatises of Maitreya, preserved across both the Tibetan Tripitaka (Tengyur) and the Chinese Tripitaka: first, the Abhisamayalamkara (Ornament of Clear Realization, Toh Number 3786 in the Tibetan Tripitaka); second, the Mahayanasutralamkara (Ornament of the Mahayana Sutras, Toh Number 4020, and Taisho Number 1604 in the Chinese Tripitaka); third, the Madhyantavibhaga (Distinguishing the Middle from the Extremes, Toh Number 4021, and Taisho Number 1599 and Taisho Number 1600); fourth, the Dharmadharmatavibhaga (Distinguishing Phenomena from Pure Being, Toh Number 4022 and Toh Number 4023); and fifth, the Uttaratantra Shastra (Sublime Continuum, Toh Number 4024, and Taisho Number 1611), alongside East Asian attributions including the foundational Yogacarabhumi Shastra (Taisho Number 1579, corresponding to Toh Number 4035) and the Vajracchedika Prajnaparamita Sutra Shastra (Taisho Number 1511).
Through his immediate disciple Asanga and Asanga's younger brother Vasubandhu (c. 320–400)—who composed the authoritative classical Indian commentaries on Maitreyanatha's treatises, including the Mahayanasutralamkarabhasya (Toh Number 4026), the Madhyantavibhagabhasya (Toh Number 4027), and the Dharmadharmatavibhagavritti (Toh Number 4028)—Maitreyanatha's lineage blossomed across India through Dignaga (c. 480–540), Sthiramati (c. 510–570), Dharmapala (530–561), Dharmakirti (c. 600–660), Haribhadra (8th century), and Atisha (982–1054).
Transmitted into China during the 5th century through 7th century by Paramartha (499–569) and Xuanzang (602–664) to form the Faxiang (Hosso) school, and carried across the Himalayas into Tibet during the 8th century through 11th century by Vairotsana, Kawa Paltsek, Yeshe De, Tsen Kawoché (b. 1021), and Ngok Loden Sherab (1059–1109), Maitreyanatha's teachings shaped the core curricula of the Nyingma, Kagyu, Sakya, Gelug, and Jonang traditions—inspiring monumental commentaries by Dolpopa Sherab Gyaltsen (1292–1361), Buton Rinchen Drup (1290–1364), Longchenpa (1308–1364), Tsongkhapa (1357–1419), Gyaltsab Je (1364–1432), Jamgön Kongtrul (1813–1899), and Mipham Rinpoche (1846–1912).
Philosophically and contemplatively, Maitreyanatha established the sublime synthesis harmonizing Nagarjuna's Madhyamaka dialectics regarding emptiness (शून्यता - śūnyatā; སྟོང་པ་ཉིད། stong pa nyid Tongpanyid) and dependent origination with Yogacara phenomenology of the Three Natures (Trisvabhava) and innate Buddha-nature (tathagatagarbha), demonstrating that emptiness is the pure absence of subject-object duality within luminous, unconditioned awareness. Guiding practitioners to dissolve attachment to the five aggregates, emptiness of self, karma, and rebirth, Maitreyanatha anchored every meditative stage in Shakyamuni Buddha's Four Noble Truths, the Noble Eightfold Path, generosity, merit, equanimity, right view, non-attachment, skillful means, and universal bodhicitta to extinguish the three poisons across the six realms.
Venerated daily across monasteries, universities, and retreat centers in Tibet, India, Nepal, Bhutan, Mongolia, China, Korea, Japan, Vietnam, and the Western world into the 21st century, Maitreyanatha stands forever as the supreme bridge uniting Prajnaparamita insight, Yogacara clarity, and Tathagatagarbha luminosity along the timeless Middle Way to complete Buddhahood.