Yang Yisi received the certificate from the King as he passed the national examination in 1355 (the 4th year of King Gongmin’s reign during the Goryeo Dynasty) and Yang Susaeng (then public officer grade 7) received the certificate from the King as he won second place at the national exam in 1376 (the 2nd year of King Wu’s reign)

Civil officer Gwiraejeong Sin Mal-Ju has served for three Kings including King Munjong, Danjong and Sejo in the early Joseon Dynasty. His wife Mrs. Okcheon Seol asked the Monk Yakbi of Budo Temple in Mr. Gangcheon to produce 16 pages of writings to encourage doing good in 1428.

The book was written by the King Sejo combining ‘Seokbosangjeol’ ordered by his father King Sejong and ‘Wolincheonggangjigok’ he himself wrote to praise the virtues of Buddha. It was printed for the first time in 1495 (the 5th year of the King Sejo’s reign) from wooden blocks.