Fahrenheit 451 is set in an unspecified city at an unspecified time in the future after the year 1960. The novel is divided into three parts: "The Hearth and the Salamander", "The Sieve and the Sand", and "Burning Bright".
An example of a simile is the following:
"The tree was as thin as a hound dog."
As in the sentence above, a simile is a figure of speech which compares two different things, in order to make the description more intense or forceful. Another example could be:
"The man is as tall as a giraffe."
Rousseau talks about some of his experiences from he was younger and he talks about how he started to get involved in literature, he even talked about how some experiences made him very sad for a long period of time but that same sadness became happiness when he became older.