Huang Tingjian, a Song Dynasty poet, wrote a Preface to the Poems of the Four Hugh Laymen, praising a neighbor named Sun Yun: "Sun Junyun, a doctor too much, was named as the Four Hugh Laymen. The valley asked him. Sixiu said with a smile,' Take a rest when you are full of rough tea and light rice, take a rest when you make up for the cold and warm, take a rest when you are full of three levels and two levels, and take a rest when you are not greedy or jealous of old age.' The valley said,' this is also a comfortable way.' "

The life principle of Doctor Sun is simple and not excessive.

In life, we don't pay attention to food and clothing. We have a regular meal and stop when we are full. Not greedy for food, not greedy for food. Many people fail to lose weight because they are greedy for food and food. Mr. sun doesn't care if he wears it, but he has been sewing for another three years. It is enough to keep out the cold and keep warm. Feeding the flesh is enough. According to Mr. Sun's standards, the unhappiness of people in the world is often asking for trouble. Taking food and clothing as the starting point, the desire can be endless, while the skill, will and chance are endless. The gap here is the reason for the trouble.

Mr. Sun also requires simplicity in spirit. "Three levels and two full" means that the days are smooth and steady, as long as they are passable. "Three levels" means that clothing, food and housing are very common. "Erman" is satisfied with the present status and reputation, regardless of its level. This is rare. There is a sequel to The Journey to the West's book, which tells that Tang Priest's master and disciples met with "children of nature". Little dolls were trapped in various circles, and people were trapped. Sun Dasheng didn't believe in evil and ran to challenge. Children used many circles, but Dasheng was able to get out. Dasheng shuttled games in countless circles, and he couldn't help himself. Then the little doll realized and threw another circle, but Sun Dasheng couldn't jump out anyway. The old gentleman in the sky pointed out the doorway: "There is no circle for children. You set your own home. You are not a man of fame and fortune. These traps can't trap you. Now, it's the competitive circle that traps you. As long as you rest, you will naturally come out. " It can be seen that it is not easy to satisfy your current state. Mr. sun can go out of the circle, but others may not. The last one is also the cultivation of mental state. Don't be greedy, don't be greedy for everything, and don't be jealous. People have what I don't have, so be calm and accept it frankly when they get old.

Huang Tingjian especially agrees with the way of keeping in good health of the doctor who cures too much, and calls it "the method of happiness". Sure enough, if you practice for a lifetime, you will be comfortable all your life, and you will live a long and healthy life. However, most people still can't do it, so Liu Zhongyin, a gold man, commented on the poem "Villa": "The stove is spinning to add a warm pit fire, and the bedside is left to buy reading oil. But who is like master Huang, deliberately cutting poems and sending them for four breaks? " There is firewood under the stove, and it will be hot if you fill it with kang. The oil left in the bedside lamp is enough for reading. This kind of life can be lived, but after all, it is simple and poor, and it is hard to bear it. Who can be as pure and naive as Huang Old Master Q, who writes poems and sends them to Sixiu layman, and quotes Mr. Sun as a bosom friend?

Although people are often lonely, they are not understood. However, people will not be disappointed forever. The world is vast and the time is long. There is always one person or even some people who understand and support each other, and the world is worthwhile.