alt Hacker NewsImo it's a bunch of rules and if u follow them you get accurate answers. What more is there to understand? It seems very unlikely that aspects of the universe more removed from our macro-scale existence would make sense or be comprehensible to beings whose minds evolved for hunter-gathering and social dynamics in Pleistocene Africa.
There's a section at the start that talks about what "understand" actually means.
It cannot be usefully analogized to things you can experience (or even to other things you might already understand).