),[1] also known as Won Gwang Beop Sa (圓光法士) meaning "Won Gwang Teacher of the Law", was the name of a renowned Buddhist monk, scholar, and teacher of the Silla kingdom during the reign of King Jinpyeong.
Like a great number of other Korean Buddhist monks of the 6th-8th centuries, Won Gwang traveled to China in search of a more thorough grounding in the sacred texts of Buddhism.
In 589 Wongwang went to Sui China, where for eleven years he was educated in the major texts of both Hinayana and Mahayana Buddhism.
[2] Won Gwang is best known for his "Five Commandments for Secular Life" (세속오계Sesok-ogye 世俗五戒), which later were attributed as a guiding ethos for the Hwarang.
They are an interesting fusion of the Buddhist beliefs and strong sense of patriotism that characterized Silla Buddhism.