The theme of Lord of the Flies. The theme is stated and then proven.

Upon discussing his allegorical novel, Lord of the Flies, William Golding declares, "The theme of the book [Lord of The Flies] is an attempt to trace the defects of society back to the defects of human nature." Golding proves his theme throughout the book, in some places more than other. With the constant clues and tiny bits of information Golding provides, the alert reader can put two and two together, and realize that Golding's theme …

…speculate as to the significance of Jack's royalty, and realize that the tragic events that occur during Jack's reign as King can be tied to his lust for power or, on a broader point of view, his human nature. Then it is comprehended that his human nature caused all the defects of his society, which is what Golding's point is: 'to trace back the defects of society back to the defects of human nature.'