Robert Baden-Powell

By irreducibly complex I mean a single system composed of several well-matched, interacting parts that contribute to the basic function, wherein the removal of any one of the parts causes the system to effectively cease functioning.

It is a myth that art has to be sold. It is not like stocking a grocery store where people fill a pushcart. Art is a product that has no apparent need. The salesperson builds the need in the mind of the buyer.