It is not too surprising that our brains are smart enough to understand the world around us; evolution provides a reasonable explanation.
But it is surprising that we are also able to a large extent to understand the world far away from our everyday experience; from atoms down to particle physics and on the other hand astrophysics and cosmology.
There is no good explanation why we have this capability, or in other words, why the laws of physics are simple enough for us to understand them (mostly). Of course, we have to admit that some mysteries remain, we struggle somewhat with the interpretation of quantum physics, we cannot really imagine the size of the multiverse and we even struggle to understand our own consciousness.
But we do know enough math to describe the world to an extent that has no immediate (evolutionary) benefit to us humans. Why is that?
And why is it that what we find far away from our day to day experience is actually beautiful? I am not only talking about e.g. the colorful images of galaxies, but the symmetries we find in particle physics, the elegance of general relativity etc.
There is no explanation for that and there was no reason Galileo's project went as far as it did and worked so well beyond our Earth and the solar system he tried to understand (*).
Cardinal Barberini actually made the argument at the time that the physics of Galileo cannot be trusted, because why would God have created the world so that we can understand its mysteries? Yes, why indeed - I think this is a very good question.
(*) Btw I think that people who fantasize about the promises or dangers of artificial intelligence underestimate our own natural intelligence - which made the miracle of science possible.
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