is it that he is a sort of God?
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Certainly the boy radiates empathy. The boy seems to hold the last vestiges of humanity left in this fallen world; the boy is hope. Indeed the father says in his narrative that, "All I know is the child is my warrant, and if he is not the word of God, then God never spoke." I wouldn't go as far as to say the boy is God but he seems to be a Christ figure of sorts. In a world that has become Hell, the boy reaches out to strings that might harm him. He truly personifies hope on a damned planet.
I meant "strangers" not "strings".