出处：按学科分类—语言、文字 中国对外翻译出版公司《汉英成语词典》第286页（238字）
读书总有好处，例开卷有益是针对好书而言，若解释为对任何书籍均如此，那就大错特错了。
When we say"reading is always profitable，"we mean，of course，good books．If we think it means any and every book，then we have got things very wrong．