Is there an old saying that explains the word "sincerity, honesty and simplicity"

Retro Style —— The motto of Zheshang Daxin School is "Honesty and Diligence"

The school motto of "honesty and diligence" is concise, concise, dignified and meaningful;

"Honesty"-loyalty and honesty. It means loyalty to the motherland and sincerity to the people, and it contains "sincerity", which is the foundation of doing business and being a man.

"Yi"-perseverance and fortitude. It embodies the persistent pursuit of the cause and the fearless spirit of not bowing in the face of any difficulties.

"Diligence"-Diligence. Diligence is the traditional virtue of the Chinese nation and the cornerstone of career success. "Diligence is good at diligence, but not good at entertainment." Diligence can make up for mistakes, and heaven rewards diligence.

"Simple"-simple and pragmatic. Down-to-earth, pragmatic, pragmatic and honest.