Yin and yang: the law of the change of heaven and earth.
Form and spirit: Form and spiritual activity are consistent. The ancients believed that man is the unity of form and spirit, form comes from the yin of the earth, and god comes from the yang of heaven. The combination of the two produces people, and the separation of the two is the death of people. Therefore, the essence of health preservation is to ensure the unity of form and spirit.
Virtual evil and thief wind: the qi at four o'clock is not correct. Deficiency and evil, all pathogenic factors are collectively referred to as "evil" in Chinese medicine. The qi in four seasons is abnormal and invades the human body due to qi deficiency, so it is called "deficiency and evil". Thief wind, Chinese medicine believes that wind is the length of all diseases, because evil wind hurts people, so it is called "thief wind"
In ancient times, people could abide by the teachings of saints who knew the way of keeping in good health. We can avoid the unhealthy qi at four o'clock in time, be clean-minded, carefree, have no desire or desire, hide the true qi deeply and obey it, and keep the spirit in it. How did this disease happen? Therefore, they are carefree, have less selfish desires, feel at ease, are fearless and can be satisfied. No matter what you eat, you feel sweet, what you wear looks good, you like social customs, and you don't envy each other's status. People are becoming more and more natural and simple. Therefore, excessive hobbies will not interfere with his vision and hearing, and fornication and heresy will not confuse his mind. No matter who is stupid, smart, capable and incompetent, they don't pursue anything other than debauchery, so they are suitable for health preservation. So they can all live to be 100 years old without aging, because they know that the way of health preservation is complete and impartial.
The author believes that although we are in an era of cross-flow of material desires and great changes, our body and mind will unconsciously fluctuate with the changes of the times, and our pressure is great, which will have a great impact on our bodies. So learn to analyze yourself, analyze your heart, what you want, what you can give up, and what is more important to yourself. When we learn inner peace, we can live more like it. I hope my contempt can help you get some peace of mind!