He who writes well runs the civilization. Everyone else does the grunt work.
I have something to fight for and live for; that makes me a better killer. I've got what amounts to a religion now. It's learning how to breathe all over again. And how to lie in the sun getting a tan, letting the sun work into you. And how to hear music and how to read a book. What does your civilization offer?
Gravity and time are local, and they are maintaining the balance in the bubbles. However, anomalies in the local gravity fields and times can destroy complete planetary systems and civilizations.
Institutions are what allow us to have continuity in civilizations.
Art is the signature of civilizations.