Thunderhead (Arc of a Scythe, #2)

by Neal Shusterman

They were so focused on the act of killing, they couldn’t comprehend what went into the act of dying.

a good quote to post when doing the review

Humans learn from their mistakes.

Simply put, humanity had a need to be bad. Not everyone, of course—but I calculated that 3 percent of the population could only find meaning in life through defiance. Even if there was no injustice in the world left to defy, they had an innate need to defy something. Anything.