Celebrities are like this, and ordinary people are no exception. The common health preserving characteristics of China folk centenarians are calm, kind and never excited. Peace of mind can lead to a long life, while fatigue leads to confusion. Any kind of psychological problems can occur. From the "heart", diseases will also occur.

Therefore, those who are laborious, moody and grumpy may have to shorten their lives. Old people should calm down. Only by calming down, can they raise their minds, raise their lives and raise their lives.

Quiet can not only nourish the heart, but also improve intelligence and help the divergence of thinking. Life experience tells us that it is the most restless moment when people are in leisure, walking and bathing. At this time, people's thinking is the most active, and it is the easiest to have a whim. Many innovative products and designs were born at this moment. Meditation can also help people get through the summer heat. The author once wrote the manuscript of "Calm and Natural" with personal experience (Xinmin Evening News 1985.8.5).

In a word, providing for the aged with peace of mind is an important method of providing for the aged, a method of cultivating one's mind, and a survival skill. (To be continued)

Hu Guangyu is a member of Qinheyuan Kangqiao.