Korean Buddhism recognizes a concept called the "Three Jewel Temples": Tongdosa, which enshrines relics of the historical Buddha, represents the "Buddha Jewel"; Haeinsa, which houses the Tripitaka Koreana woodblocks, represents the "Dharma Jewel"; and Songgwangsa, which has produced more eminent monks than any other temple in Korea, represents the "Sangha Jewel" (community of monks). The reason Songgwangsa earned this title is straightforward: starting with the late-Goryeo monk Jinul, National Preceptor Bojo, this single temple produced no fewer than 16 "guksa" — national preceptors, monks recognized as teachers to the entire kingdom.
The mountain where the temple sits, Songgwangsan, carries its own legend explaining its name: that "eighteen great masters" (sipalgong) would one day emerge from this mountain to spread the Buddhist teaching (beop) far and wide (gwang) — a wordplay baked directly into the mountain's name. The term "Three Jewel Temples" itself appears relatively late in the historical record, first documented in 1828 by the scholar Hong Seok-ju. Visitors to Songgwangsa today will likely be struck first by the temple's scenic mountain setting, but what has sustained this place for nearly 800 years isn't the buildings — it's a tradition of continuously training teachers capable of guiding a nation.