Books act like a developing fluid on film. That is, they bring into consciousness what you didn't know you knew.

Books act like a developing fluid on film. That is, they bring into consciousness what you didn't know you knew.

书籍就像胶片上的显影液。也就是说，他们把你不知道你知道的东西带入意识。

-- Clifton Fadiman 克利夫顿·费迪曼