It was called -- it was called "The Air Pump," or something like "The Leviathan and The Air Pump."
그것은.. "The Air Pump" 라는 책이였는데요, 정확한 제목이 "The Leviathan and The Air Pump." 이었던 것 같네요. (Thomas Hobbes의 저서 "Leviathan"에 관한 책)