Chusa-Silsa gusijang, Kim Jeong-hui, 1786~1856

The korean calligraphy titled "silsa gusijang" was written by kim jeonghee. The text in literary chinese reads 攷(考)古證今，山海崇深。覈實在書，窮理在心。一源勿貳，要津可尋。貫徹萬卷，只此規箴。實事求是箴。. Date: 1786~1856.