Everything has a Purpose
This looks like a competition among the elements, including oxygen, uranium, copper, and gold. Each of them brags about their importance to humans and the universe.
While oxygen claims to sustain humans and plants, uranium is essential for producing clean energy for the sustainability of humanity, and copper claims to be responsible for being a good conductor. Gold becomes confused and immediately remembers how shiny it is, meaning it does much more to humanity than anyone could imagine.