126: The author is expressing his special mood at that time. What was his state of mind at that time, but he didn't (or didn't want to) express it clearly. If you can't understand such a poem, you don't have to force it. You know, not all poems can be understood. Some authors deliberately pursue obscurity. For these people's works, you can use your imagination and enjoy them according to your own meaning. If you can't see it.
127: Instant eternity. Some things may be ancient, but they are indelible memories in people's hearts.