We are what we repeatedly do. Excellence, then, is not an act, but a habit.

Always keep your knife sharp, your wits sharper, and your spirit sharpest.

书籍是最安静、最恒久的朋友；它们是最易接近、最睿智的顾问，也是最耐心的老师。

我不愿意死，但我现在已经到了垂死的境地，我希望为了你而活下去，但恰恰是你在剥夺我的生命。