Answer:
Sometimes people fail to see the truth even when it is right before their eyes.
Explanation:
The book "Charles" by Shirley Jackson that narrates the story of Laurie, a stubborn young boy who constantly defies his parents and tells them of another stubborn child Charles who does all kind of things at school, but his parents fail to see that Charles really is Laurie.
The theme of the story "Charles" is sometimes people fail to see the truth even when it is right before their eyes.