In the final section of the exposition, Miller describes Salem, a community that was believed to maintain, peace, raise up the hopes of the people, unite the individuals, as a community that now has selfish interests, shatters the hopes of individuals and full of political aggrandizement.
This implies that the more the community attempt to bring the people together, the more disunited they become and the more they want to exterminate witchcraft, the more enmity they cause.
Girls who were actually witches in in Salem were not hunted while they kept going after girls who they only perceived were witches. He describes his as paradoxical.
