数学家研究纯数学不是因为它有用；他研究它是因为他喜欢它，他喜欢它是因为它美丽。
The world is full of people who have never, since childhood, met an open doorway with an open mind.
Write what should not be forgotten.
战争是黑暗的，但有时它是我们唯一的光。
科学中真正的创新往往来自开发让我们以全新方式看世界的工具。
在模糊逻辑中，任何陈述的真实性都变成了一个程度问题。
The most successful leaders are those who recognize that leadership is not about them, but about the people they serve.