The narrative of economic progress must include the voices of those who have been left behind.

In our reasonings concerning matter of fact， there are all imaginable degrees of assurance， from the highest certainty to the lowest species of moral evidence.

The world is a stage, but the play is badly cast.

个人只有将自己置于自己的时代中，才能理解自己的经历并衡量自己的命运，只有意识到自己处境中所有个体的机会，才能知道自己的生活机会。

偷一只狗一头猪，就称他不仁；二偷去了一个国家一座城池，却认为这是义。 

无人机的智能化将改变我们的生活方式。