First of all, the sanitation elderly are already well-fed. The reason why the sanitation elderly choose to work and choose harder work is to implement their personal values. Personal value refers to the discovery and creation made by individuals or society to meet individual needs in production and life, and it is the contribution of individual self-development and society to personal development. It includes personal value and social personal value, and it is the free contribution of different subjects to individuals. A 60-year-old man can certainly do much less than a strong young man, but the old man is sick and has nothing to do at home. The personal value of time has nothing to do with age and property, but with one's concept. The old man's spirit is worth learning.

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The elderly are also implementing their own personal social values. Personal social value refers to the individual's contribution to the needs of social development through his own practical activities, which is simply his contribution to society. Although the elderly have two suites, these two suites are already great in Beijing, and many people may not be able to afford a suite for life. But work is necessary for him: "I am from old Beijing. Although this sanitation work is hard, someone has to do it. " This fearless spirit is not possessed by many young people.

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In the end, the old man did not give up because of the dirty and tired work, but filled his heart with society and others. There are two houses in Beijing that are not satisfied, but they don't want to be idle and actively contribute to society.

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In short, people living in the world do not know to pursue material wealth, but should pursue spiritual wealth.