Except this is more or
less the definition of the zero energy universe and I don't think anyone would argue the the universe is not a useful thing.
At times, however, I found the image to come across as somewhat fuzzy and soft,
with lesser definition seen in some of the wide shots.
I noticed minor haloes through parts of the movie, and those occasionally rendered the image with
slightly less definition than I'd like.
All human beings are entitled to a life with some measure of health, dignity, autonomy, and opportunity; that's more or
less the definition of liberal humanism, as embodied in the U.N. Charter and Millennium Development Goals.
A male athlete has a slimmer body and
less definition than a bodybuilder usually does.
Taken to an extreme, this is actually more or
less the definition of a Ponzi scheme (a scheme in which a continual influx of new money is used to subsidize earlier investors).