I mean, in the 18th century, in the 18th century you could become an expert on any field of science in an afternoon by going to a library, if you could find the library, right?
18세기에는, 18세기에는 도서관만 잘 찾아갈 수 있으면 하루 아침에 아무 분야던지 전문가가 될 수 있었습니다.