Lyric discussion by soulbot 

its not about the son of sam killer, or relationships. its neither. its about discovery and enlightenment.

shiva is the destroyer.

when the world reaches the point where it is turned into a hell, shiva comes to destroy everything, as sort of a savior in a sense, before we become too evil. shiva destroys everything so it can begin again fresh.

the person in the song is describing his philisophical enlightenment, he believes himself to be the destroyer, so he is going about doing what he thinks his job is. the son of sam reference is doubt. he fears his cause may be in vain, and that he is just insane (a-la son of sam killer)

in the end he is going to sleep, forever, as shiva opens his arms up to him, because he fears he is indeed just like the son of sam killer, so rather than live with it, he decides to kill himself.

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