He uses many different symbols, such as the conch, Piggy's glasses, and fire, to show the theme that evil lies within everyone. Readers notice, throughout the novel, a change in the way the boys act. At the beginning of the novel, they are well civilized boys, but as their fear grows and without guidance, their savagery also begins to grow. The use of symbols helps show this change in boys. Golding writes, “Ralph mourned the end of innocence, the darkness of man's heart, and the fall through the air of the true and wise friend called Piggy” (225). Each person is capable of