What do i do when i can't sign up on here? my sister wants to know?

Which sentence in this excerpt from the time machine suggest that the time travelled will later realize that his assumptions about future society are incorrect

How did the man from "to build a fire" put his life in danger?

Read this excerpt from "the bear." he is in his grave, and i have buried myself between four walls. . we are both dead. what is revealed about character in this quote?