A good mathematician is not one who knows all the answers, but one who asks the right questions.

出自《海国图志》。圣人把天下当作一家，四海的人都是兄弟，所以对远方的人采取怀柔政策，以宾客的礼仪对待外国，这是王者的大度;普遍了解边塞民族的风俗，广泛博览全球风貌，这是智慧之人的远见卓识。

创新既需要创造力，也需要严格的测试。

机器并未将人类与自然的重大问题隔绝，而是让人更深入地卷入其中。

"Don't watch the clock; do what it does. Keep going."

Parents wonder why the streams are bitter, when they themselves have poisoned the fountain.

The key to success is to focus on goals, not obstacles.