"Books are the quietest and most constant of friends; they are the most accessible and wisest of counselors, and the most patient of teachers."
书籍是最安静、最恒久的朋友；它们是最易接近、最明智的顾问，也是最耐心的老师。
True strength comes from overcoming the obstacles we thought we couldn't get past.
沉默是灵魂的语言。
我似乎总是想以最节能的方式，用自然界里最平常的东西来造各种东西。
电报不仅是一项发明，而且是团结人类的手段。
