Replies to Deasy and Maudlin
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Time is scarce and may be the most valuable thing each of us has (and I don’t mean this in a metaphysical way), so before saying anything else I’d like to thank Deasy and Maudlin for spending some of their time reading my book and writing about it. Reading their contributions was like seeing myself from the outside: I didn’t know my hair stood up that way in the back, and yes, I agree, I would have looked better if I’d worn the blue socks.
Deasy wants to defend the moving spotlight theory, and asks about a version of the theory that I don’t discuss. But let’s start at the beginning. The rough idea behind the moving spotlight theory of time is something like this: if you were to somehow sit next to God and observe the universe, you would see all the events that ever happen laid out in the three dimensions of space and the one dimension of time, and you would see one time shine with a special metaphysical glow, and as you watched you would see that the special glow was moving, in the...