Jem believes that what Atticus is true and that Atticus has won the case, but he doesn't know that as the man Atticus is defending is black he has already got the whole Jury and The Judge against him.
They think he’s doing ok and well about what’s going on. They understand that he’s doing better then ever tho he thinks he’s not doing well or not enough
I think it's confident and authoritative. The statement that proves this is when the author says "We can be sure that we have only to persevere to conquer".
