極めて誠実なこと。まごころ

This means “extremely honest” and “sincerity ”

・志を高くもち、真摯に努力する。

We are ambitious and work hard.

・互いに認め合い、信義を重んじる。

 We search for goodness and think highly of loyalty.

・ 本校に学ぶことを誇りとし，良き校風作りに努力する。

We are proud of studying at Hagi high school and we are trying to maintain the traditions of our school.

　吉田松陰をはじめ，歴史上の多くの先人たちが生きる指針としてきた言葉です。

 This is the word of many ancestors in Hagi’s history

that　had tried to come true throughout their lives, including Shoin Yoshida.