You need to understand the main Idea in a story and the details to back it up and just understand it
Answer:
Bradbury´s opening uses the literary device of personification by granting a human trait (the capacity to tremble because of weakness) to a non-living thing (the sign on the wall). This sentence also works as a foreshadowing element, as it sets the mood for something going wrong.
Explanation:
Furthermore, it relates to a later metaphor about time being "a film run backward." In the end, the protagonist finds himself trembling because of his weakness, his incapacity to go through the film of time without causing trouble.
Answer:
You gave almost no context to this question so my guess would be that everyone whishes that they were younger because it was a simpler and better time for most
Answer: I don't really get this question but from what I understand I'd say Agree.