The more you learn, the more you know, the more you know, the more you forget. The more you forget, the less you know. So why bother to learn?

我相信掌握别人已经摸索出的最佳方法是一门学问。我不相信只是坐下来自己空想。

经验是一所好学校，但学费很高。

The natural and moral world is the two-fold object of man's rational care.

我不是那种会让对我城市的爱减少的人。

"The only way to do great work is to love what you do."