A duck surveys its empire (Jason Reed / Reuters)
Editor’s Note: This article previously appeared in a different format as part of The Atlantic’s Notes section, retired in 2021.

“In the end, if it isn’t a duck, it shouldn’t quack like a duck,”—Deepika Bahri, who teaches postcolonial studies, on what Facebook has in common with imperialism.

“It is very strange how the Russians started killing us. We didn’t kill them and now they are killing us,”—a Syrian activist in Turkey.

“Gravity is a weak force. Measuring these things is bloody hard,”—Scott Hughes, who has modeled the sound of gravitational waves.

(Previous quotes from our sources here)