In Lord of the Flies, Simon fulfills the role of a Christ figure--a symbol of goodness. He is a messiah, a scapegoat, and a prophet. As a prophet, he tells Ralph,
"I think you'll get back all right."
This prediction is made in Chapter 7, and Simon says it three times. Each time he makes this statement, he never varies the pronoun--it is always "you," not "we." It's as if Simon is predicting his own death, which occurs in the next chapter, and Ralph's rescue, which occurs at the novel's conclusion.
Ralph, when he first hears the prediction, claims that Simon is batty, but then he smiles at Simon, as if he knows that Simon is speaking the truth.
Simon is supposed to be Jesus