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It was influenced by Stephen Hawking's book from 1988 'A Brief History of Time', which is subtitled "From the Big Bang to Black Holes". Back then it was the first time Brett read that book. Brett: "The lines 'Big Bang, big crunch/You know there's no free lunch' illustrate his concept that there is no extra energy in the universe. There's nothing lost. lf it goes out, it has to collapse. lt can't keep going forever."
Brett: "Big bang, big crunch is about the possibility that we have a closed universe. But it's a metaphor, I mean the chorus is big crunch, don't you know there's no free lunch. Which would mean that the universe is explodes and implodes for all of time. Because there's no free lunch means that there's no free energy in the universe whatsoever. I'm using population and personal breathing room as a metaphor for the idea of, hey, is it an open universe or a closed universe? The implications of that question are because if it's an open universe it is possible that life can exist forever. And if it's a closed universe certainly when the universe contracts and time moves backwards and it heats up until a single point, life certainly will die."