For the next year she decided to leave civilization behind and head into the bush of Central Africa.

It's been only weeks of objective time since I left civilization.

She had this figured out even before we left civilization.

When he left civilization, life-prolonging medicine had been just a few decades old.

As the last human to leave civilization, there had been no one to write Tunç's biography.

I can hardly pretend to have left civilization behind.

He hoped to leave civilization and find the "heart of darkness" in Africa.

How could he ask a wife to leave civilization and go to Philadelphia?

They are forced to leave civilization, due to their fear of being discovered.

There was a sort of brain fever that people contracted once they left civilization.