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Cake day: June 21st, 2023

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  • All models are wrong, but some are useful. Thinking of evolved features as having a purpose is wrong, but it is also incredibly useful.

    Why do we have eyes? In some sense, there is no reason, just a sequence of random coincidences, combined with a slightly non-randon bias refered to as “survival of the fittest” (itself an incorrect model).

    However, saying that we have eyes to see has incredible explanatory power, which makes it a useful model. Just like Newton’s law of Universal gravity. We’ve known it that is wrong for a century at this point, but most of the time still talk as if it’s true, because it is useful.