Lu Yanji wrote an inscription: "My brother Zhang was killed by someone, and he personally killed him. He despaired and was pardoned. He wrote this inscription as a warning and tasted the right place, so he said the motto. "The motto comes from this. The inscription of the motto is shorter than other inscriptions, and some are just one or two sentences or aphorisms, which are placed next to the seat to warn themselves. Everyone has his own principle of dealing with people, and the motto is a common form of observing this principle. The content of the motto is to encourage yourself, push yourself, or restrain your behavior.
Motto is an inscription.