The more we study Art, the less we care for Nature. What Art really reveals to us is Nature's lack of design, her curious crudities, her extraordinary monotony, her absolutely unfinished condition.
Higher minimum wages, full-employment programs, early-childhood education: Those kinds of programs are, by design, universal, but by definition, because they are helping folks who are in the worst economic situations, are most likely to disproportionately impact and benefit African Americans. They also have the benefit of being sellable to a majority of the body politic.
Flow systems have two basic features (properties). There is the current that is flowing (for example, fluid, heat, mass, or information) and the design through which it flows.