此書是在為有學習和閱讀興趣的人而寫的。對知識的渴求和對事物的探索是人類與生俱來的慾望，而這種慾望會隨著知識的增加而增加，越懂得多就越想懂得更多。 知識有用嗎?回答當然是肯定的。學識豐富的人...more

This book is addressed to those who enjoy learning and reading. The desire to know, the quest for knowledge, is an innat......more