The crucial question one comes back to is the examination; without that experience is meaningless. And I think it's true that society is becoming more and more passive, less and less fired up with enthusiasm, in many spheres.
The passage of time is a continuing thing. At 18, youre going to live forever, and you are definitely not at 52, so that is a recurring topic. I still think its the main stuff.
Actually I think Art lies in both directions - the broad strokes, big picture but on the other hand the minute examination of the apparently mundane. Seeing the whole world in a grain of sand, that kind of thing.