I've believed for many years that Plato got something incredibly fundamentally wrong: he believed that logic, math, and the language of thought was primary and preceded existence. This error underlies all kinds of things all the way up to and including the present-day philosophical fad of "rationalism." (the Yudkowski variety) It's a popular idea because it's a "truthy" idea. When we introspect, thought feels primary…
Rather they are deep fundamentals of what your brain can contain, so you perceive them as fundamental to the universe.
If we admit there are all sorts of phenomena which we cannot observe directly, which we ultimately observe through machines we construct -- does your imagination permit that there are possibly thoughts that are literally unthinkable to you? What would an artifact that allows us to contain some shadow or essence of these thoughts look like?