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Editor’s Note: This article previously appeared in a different format as part of The Atlantic’s Notes section, retired in 2021.

“Migration is the engine of the whole goddamned system,” Arthur Middleton, an ecologist, on how elk affect the ecosystem in Yellowstone National Park.

“Military guys, police, ambulances were going up and down the street like chickens without heads,” Malcolm Albert, who lives in Sierra Leone, on life during the Ebola outbreak.

“An argument that doesn’t really work very well is to sound like some kind of crazy American talking about the First Amendment. They just don’t care,” Jimmy Wales, the founder of Wikipedia, on pitching the site to Chinese authorities.

“We, as a republic, seem to have decided that since we cannot have leadership, we shall simply have entertainment,” —an Atlantic reader on how American politics went insane.

(Previous quotes from our sources here)