Quote 1
"We've been reading the diary of a dead girl." Felicity shudders. "There's something terribly creepy about that."
"Do you suppose," Ann says, "that any of what Mary wrote could be true? The supernatural part?" (17.59-60)
Ah-ha—we are getting closer to knowing the truth behind what is going on, or at least Gemma's friends are. We already knew that what Marry wrote was probably true, seeing how Gemma has communed with spirits and all, nut now we know more about who Mary Dowd is, which seems important. And even more importantly, we see that Sarah is really bad.
Quote 2
"I'm going to have many men." She says this matter-of-factly, as if commenting on the weather, but she has to know she's being scandalous. (13.112)
Felicity makes this claim in the cave one night while the girls are drinking, but we're thinking there's simply no way she'd risk compromising her social status by taking such a risk.
Quote 3
"My ring! What have you done with my ring?" The scarves fly open. Ann backs out with the other girls bearing down on her, Felicity pointing a finger accusingly. "Where is it? Tell me this instant!"
"I d-d-don't have it. I d-d-didn't d-do anything." (6.33-34)
Here Felicity and her cruel crew lie in order to punish Ann for talking about how wicked they are to Gemma. They mean to get her expelled for stealing, and this kind of lie is just mean.