I've been a professional writer for over a decade and it still amazes me how many folks are CONVINCED they can just do this shit. Nobody walks up to a surgeon and says "I reckon I could have a crack at that." But writing? Everyone's got a world-changing essay in them apparently. It's in there. Somewhere. Behind the spleen.
@Daojoan they are the one's who can sense the level of understanding. Why speak if it can't be heard ... by the mind?