The first part (1 paragraph) is the outline of the full text, with only one sentence, which is very concise and points out the contents of the following writing.

The second part (paragraph 2- 1 1) is the first interesting thing in childhood: daydreaming about the carp world.

The third part (paragraph 12- 18) The second interesting thing in childhood: longing for Einstein's unfinished business.

The keynote is the finishing touch:

By recalling two interesting stories of his childhood, the author introduced his mental journey of becoming a theoretical physicist in vivid and concise language: daydreaming about the carp world and yearning for Einstein's unfinished business, which inspired the author to embark on the road of scientific exploration.

This enlightens readers that if they want to succeed in science, they must have basic qualities such as imagination and experimental spirit. As the main content of the article, "two interesting stories of childhood" is a synchronic narrative. This structural arrangement makes the article clear and focused.