What are some thoughts about Grandpa Sun and Zhong Shi?

Both the sun and the clock have the characteristics of time, and there are many ways to describe them. Of course, they can also be expressed in poetry. From ancient times to the present, people have never been stingy in praising and sighing the fleeting time. Grandpa Sun is an old man with a strong sense of time. Poetry has become a major feature of China since the Spring and Autumn Period and the Warring States Period. If we want to talk about thinking problems, we can start from these angles.