Here is the complete compilation of emergent themes within the novel up to this point:
Friendship. Education.Change. These ideas are the ones that affect each character the most throughout the novel, and develop and change as the characters grow.
People change when their situations in life change. This is evident in the novel through the analysis of Four Eyes in particular, while this is true for all of the characters Four Eyes is the most pronounced example.
A few days before it would have been unthinkable for him to snap at us like this. I had not suspected that a tiny glimmer of hope for the future could transform someone so utterly.