Quote 40
The business was beginning to sound like something from a Victorian novel, with a reclusive old woman having hidden a lot of ancient documents somewhere in the depths of her cluttered home. (2.62)
LOL, right? This little quip is a joke on Arthur, because (1) it's supposed to show us how Arthur thinks of himself as oh-so-modern even though the Victorian era is probably only a few years behind him, and (2) it turns out that he is in a Victorian-esque novel.
Quote 41
I decided that he was a man who had made, or come into, money late and unexpectedly, and was happy for the world to know it. (3.13)
For such a young guy, Arthur Kipps makes some pretty snap judgments about people. Good thing Mr. Daily doesn't write him off in the same manner.
Quote 42
He might have been anywhere between thirty-five and fifty-seven years of age, with a blandness… (4.28)
Mr. Jerome is hard to read from the beginning, and he doesn't get any more helpful when he's pressed for info about the mysterious mistress of the night. (Also, seriously? Why not fifty-eight? That seems awfully random.)