概率论是我们处理不确定性的唯一工具。
The city is the most complex work of art.
The future is not fixed; it is something we can shape with our knowledge and actions.
我们唯一需要害怕的是恐惧本身的缺失。
As a woman I have no country. As a woman I want no country. As a woman my country is the whole world.