R Philip Dowds wrote:

If you think that was a sloppy writing on my part then consider a
quote:
Edwin T. Jaynes "Probability Theory As Extended Logic":

"...Often, the things which are most familiar to us turn out to be the
hardest to understand. Phenomena whose very existence is unknown to the
vast majority of the human race (such as the dierence in ultraviolet
spectra of Iron and Nickel) can be explained in exhaustive mathematical
detail but all of modern science is practically helpless when faced
with the complications of such a commonplace fact as growth of a blade
of grass. Accordingly, we must not expect too much of our models..."