Artists need not meet any standards to practice their craft... Virtually every other occupation requires some sort of license, union membership or something that says you are qualified.
Mike SvobMonet, Manet, Sisley, Renoir, Van Gogh and others went outside to paint for one simple reason - it looks different outside.
Mike SvobPut a symbol, or language of some sort, in a painting and it will be noticed by the viewer whether or not they can read that particular language.
Mike Svob