在观察的领域里，机遇只偏爱那种有准备的头脑。
我们今天所做的选择将在未来几代人的生活中回响。
The true teacher defends his pupils against his own personal influence.
每个故事都是一次旅程，不仅对角色如此，对敢于踏上这段旅程的读者也是如此。
The beauty of mathematics lies in its ability to describe the universe in a language that is both precise and universal.
To do things with words is not a special kind of doing， but a special kind of speaking.