You know that day after day of, Oh God what am I going to do with myself feeling? The fear of the emptiness that it implies keeps me going.
Also, since art is a vehicle for the transmission of ideas through form, the reproduction of the form only reinforces the concept. It is the idea that is being reproduced. Anyone who understands the work of art owns it. We all own the Mona Lisa.
But the relationship of morality and power is a very subtle one. Because ultimately power without morality is no longer power.