“Either Josie was someone she didn’t want to be, or she was someone who nobody wanted.” 

This quote foreshadows Josie’s struggle with wanting to fit in yet hating being popular and not wanting to be a nobody and bullied.

“Newborns reminded her of tiny Buddhas, faces full of divinity […] That holiness, somehow, disappeared, and Lacy was always left wondering where in this world it might go.” 

Lacy’s belief in the divinity of children underscores her struggle with Peter’s eventual actions. She wonders where this innocence goes and how Peter became so devilish, instead of divine.

“The enemy was always supposed to be an outsider, not the kid who was sitting right next to you.” 

It’s hard for people to fathom that harm can come from so close. People don’t expect that a person they know might be capable of violence.