The political liberty of the subject is a tranquility of mind arising from the opinion each person has of his safety.

数学是将复杂转化为清晰的艺术。

The best way to predict the future is to create it through innovation and adaptation.

一个过程不是其各部分的总和，而是力量的动态相互作用。

I don't have to be perfect, I just have to be me.

土壤记得我们遗忘的事：尊重它，它将回报子孙后代。