A machinery of clouds

Funny to think that the whole edifice of humanity, everything we think and know and kick might be just -- clouds in the sky. Wonderful clouds, oh yes, wonderful clouds. Jan Cox spoke of humanity as a great machine. This of course does not connote that we do or can know ALL the levers and levels of this machine. But it occurred to me that one could make a case that the oil, allowing the gears of this machinery of Humanity, to move, the functionality of motor oil,  might be labeled, in this context : the way we, people, do not even glimpse -- that which we do not know. The machinery depends on ignorance, to continue, to grow; ignorance and ......