1, originally said is a way of keeping in good health: everything should conform to nature, not be forced to touch, but also be cautious and restrained, so as to preserve life, nature, spirit and enjoy life. Now, after repeated practice, I have mastered the objective laws of things, and I am comfortable in doing things and using them freely.

2. An Expert in Helping Cattle is an allegorical story written by Zhuangzi (Zhuang Zhou), a representative figure of Taoism in the pre-Qin period. It means that after repeated practice, you have mastered the objective laws of things and can use them with ease.

The author's original intention is to use it to explain the way of keeping in good health, thus revealing the truth that people should conform to the laws of nature. Taking the decomposition of cattle by kitchen workers as a metaphor for people's health preservation shows that life and life should be "nature-oriented" and "nature-oriented", and only by taking virtual "space" can we be "comfortable", thus avoiding the entanglement between right and wrong and contradictions.