Heavy As A Really Heavy Thing

It was a truism that all civilizations were basically neurotic until they made contact with everybody else and found their place within the ever-changing meta-civilisation of other beings, because, until then, during the stage when they honestly believed they might be entirely alone in existence, all solo societies were possessed of both an inflated sense of their own importance and a kind of existential terror at the sheer scale and apparent emptiness of the universe.