Work in peace of mind
Contentment is a Chinese idiom, pronounced "NX" NL è y è, which means peace of mind and happy life.
explain
Peace of mind, happy life.
source
Chapter 68 of a dream of Red Mansions by Cao Xueqin in the Qing Dynasty: "the second sister got this place, so that she could see that all the sisters in the garden were good friends, but she was also happy to work, and she got what she wanted."
Work in peace of mind
as the arm directing the fingers -- command with ease as one wishes - rú bì shǐ zhǐ
pacify the good and do away with the cruel - ān liáng chú bào