Mathematics is the art of turning complexity into clarity.
数学是将复杂转化为清晰的艺术。
实现不可能的唯一方法就是相信它是可能的。
有时候爱是不够的，你必须离开。
只有将环保融入生产全过程，才能真正实现绿色发展。
"We are all in the gutter, but some of us are looking at the stars."
金钱是唯一区分赢家和输家的东西。
You can't please everyone, so don't try.
The question is not how to get cured, but how to live.
解释：礼用来推行道义，道义用来产生利益，利益用来使老百姓太平，这是治理国家的关键。