When I see floating clouds, I think of the plight of wanderers, and when I see the sunset, I think of the feelings of those old friends. It can be said that it is a touching scene injury and a reflection of matter, and consciousness comes from matter.
2. The article is eternal, and the gains and losses are well known-Du Fu
It means that literary creation is related to a long time ago, but only one knows whether it is bitter or sweet in its creation. This means that "knowledge comes from practice, and practice produces true knowledge. Correct knowledge can only be obtained through the repeated cycle of practice-knowledge-practice-knowledge.
Flowers are more and more attractive, but shallow grass can make horseshoes.
It means that the main aspects of contradiction are not easy to identify; Shallow grass can have no horseshoe shape, indicating that the development of things (shallow grass) is still in the process of quantitative change, not to the extent of qualitative change (grassland, grass).