Abstract
The aim of this paper is to ascertain the influence on Shoin-shigo (松陰私語) of Jyougan-seiyou (貞観政要). Jyougan-seiyou (貞観政要) is a politic book which was recorded words and actins about King Taejong (太宗) by Wu Ching (呉兢). And it is include candid advices from Wei Zheng (魏徴) to King Taejong (太宗). Wei Zheng (魏徴) advised loyalty to King Taejong (太宗), so Jyougan-seiyou (貞観政要) had be quoted by many books in Japan especially in middle ages. Shoin (松陰) also quoted from it when he had written to Shoin-shigo (松陰私語). But this element is more salient than in any other works.
