When Elwood realizes that the staff at the Richmond knew the encyclopedias were blank, he suddenly questions his entire worldview, wondering if the dishwashers have been taking advantage of him. Simply put, this is the first time he recognizes his own naivety and sees that his optimistic belief in the goodness of the world isn’t necessarily based in reality. Rather, he slowly understands that many people are willing to take advantage of others and that the things he values most—hard work and diligence—won’t always help him avoid injustice.