It is just because civilization is ever evolving, changing, and becoming more complicated, that experts find it so difficult to define it in explicit terms.
“I never expected any sort of success with 'Mockingbird'... I sort of hoped someone would like it enough to give me encouragement.”
“The local communities, through their leaders, were able to build a communications network that allowed my work here to reflect the needs and interests of the people within the 9th Congressional District. It's been an honor to do that and we did so successfully.”