Lume Tsultrim Sherab (ཀླུ་མེས་ཚུལ་ཁྲིམས་ཤེས་རབ། klu mes tshul khrims shes rab Lume Tsultrim Sherab, rendered in Sanskrit as शीलप्रज्ञ - Śīlaprajña, and universally revered across Tibet, India, Nepal, Bhutan, and the Himalayas as the supreme restorer of monastic ordination in central Tibet), acclaimed throughout Indo-Tibetan Buddhist history as the towering 10th century and 11th century master who revived the unbroken Mulasarvastivada Vinaya Pitaka lineage in Ü-Tsang and inaugurated the Chidar (Later Dissemination of the Dharma), stands as the foundational monastic architect without whom the Sarma renaissance would never have flourished. With his exact year of birth and year of death unrecorded in surviving historical chronicles (flourishing during the mid-10th century to early 11th century, circa 950–1025), Lume Tsultrim Sherab was born in the Ü region of central Tibet during the dark, fragmented century following the persecution of Buddhism by King Langdarma (r. 838–841). Witnessing the near-total disappearance of fully ordained bhikshus across central Tibet, young Lume Tsultrim Sherab recognized the pervasive reality of anicca and dukkha, practiced fearless renunciation, and took formal refuge in the Buddha, the Dharma, and the Sangha.
Determined to restore authentic monastic ordination to his homeland, Lume Tsultrim Sherab joined the legendary group of “Ten Men of Ü and Tsang” (dbus gtsang gi mi bcu), embarking on an arduous pilgrimage eastward to Amdo (Dantig Monastery / Dentik) where the unbroken Vinaya Pitaka lineage of Shantarakshita had been preserved by the great hermit Lachen Gongpa Rabsal (བླ་ཆེན་དགོངས་པ་རབ་གསལ། bla chen dgongs pa rab gsal Lachen Gongpa Rabsal, 892–975 / 952–1035). Under Lachen Gongpa Rabsal acting as preceptor alongside Tsang Rabsal, Yo Gejung, Mar Shakyamuni, and two Chinese monastics to fulfill the quorum required for borderland ordination, Lume Tsultrim Sherab received full monastic ordination in the Mulasarvastivada Vinaya Pitaka lineage while upholding impeccable monastic precepts and ethical conduct.
Following his ordination and intensive training in Amdo, Lume Tsultrim Sherab studied Abhidharma and Vinaya Pitaka commentaries under Drumer Tsultrim Jungne before returning triumphantly across Tibet to Ü-Tsang around 978 (or the late 10th century), wearing the yellow monastic hat bestowed upon him by Lachen Gongpa Rabsal as a reminder to preserve the pure lineage. Arriving in central Tibet, Lume Tsultrim Sherab immediately began conferring monastic ordination upon eager aspirants, quickly re-establishing the fully ordained Sangha across Ü and Tsang for the first time in over a century.
Establishing and restoring major monastic centers throughout central Tibet—most famously Gyel Lhakhang (རྒྱལ་ལྷ་ཁང་། rgyal lha khang Gyel Lhakhang) in Phenpo, Kachu Monastery, Zhalu Monastery, and Yerpa—Lume Tsultrim Sherab organized the revitalized monastic communities into the celebrated Four Pillars (Ka-bzhi) of Ü-Tsang monasticism. Among the countless disciples ordained and trained under Lume Tsultrim Sherab were his four foremost heirs—Zhang Nanam Dorje Wangchuk, Ragtshi Tsultrim Jungne, Ba Tsultrim Lodro, and Gya Lodro Zhonnu—as well as the pioneering translator Drokmi Shakya Yeshe (992–1072), who received his initial monastic ordination and training directly from Lume Tsultrim Sherab before traveling to India.
Literarily and institutionally, Lume Tsultrim Sherab safeguarded and propagated the foundational Vinaya Pitaka scriptures of the Tibetan Tripitaka (Kangyur and Tengyur), ensuring accurate transmission of the Vinayavastu (Toh Number 1 in the Tibetan Tripitaka, and Taisho Number 1442 in the Chinese Tripitaka), the Pratimoksha Sutra (Toh Number 2, and Taisho Number 1454), the Vinayavibhanga (Toh Number 3), and Gunaprabha's monumental Vinayasutra (Toh Number 4117), thereby laying the indispensable canonical and disciplinary foundation upon which Rinchen Zangpo (958–1055) and Atisha (982–1054) later erected the Sarma translation movement.
Philosophically and contemplatively, Lume Tsultrim Sherab demonstrated that pure monastic ethical conduct (shila) is never mere external legalism, but the indispensable vessel supporting single-pointed meditation, mindfulness, concentration, and transcendent wisdom. Harmonizing strict Vinaya Pitaka discipline with Nagarjuna's Madhyamaka dialectics regarding emptiness (शून्यता - śūnyatā; སྟོང་པ་ཉིད། stong pa nyid Tongpanyid) and dependent origination, Asanga's Yogacara phenomenology, and the innate Buddha-nature (tathagatagarbha) teachings of Maitreya's Uttaratantra Shastra (Toh Number 4024, and Taisho Number 1611 in the Chinese Tripitaka), Lume Tsultrim Sherab showed practitioners how guarding the precepts dissolves attachment to the five aggregates, anatta, emptiness of self, karma, and rebirth across samsara and nirvana.
Throughout his decades of tireless institution-building and ordination tours across Ü and Tsang, Lume Tsultrim Sherab exemplified fearless right effort, generosity, and compassionate skillful means, anchoring every monastic community in Shakyamuni Buddha's foundational teachings on the Four Noble Truths, the Noble Eightfold Path, loving-kindness, compassion, equanimity, right view, non-attachment, and universal bodhicitta to uproot the three poisons of greed, hatred, and delusion across the six realms.
Passing into final parinirvana at Gyel Lhakhang in Phenpo during the early 11th century amidst deep reverence from the thriving Sangha he had single-handedly revived, Lume Tsultrim Sherab left an immortal institutional and spiritual legacy. Celebrated in every Tibetan historical chronicle—including Buton Rinchen Drup's Chos-'byung Chen-mo and Go Lotsawa Zhonnu Pal's Blue Annals—as the master who reignited the extinguished lamp of monastic discipline in central Tibet, Lume Tsultrim Sherab stands forever alongside Shantarakshita, Lachen Gongpa Rabsal, Rinchen Zangpo, Atisha, and Tsongkhapa as a supreme guardian of the Middle Way.