统治者的首要职责是保护社会免受其他独立社会的暴力和侵略，只有通过军事力量才能实现这一职责。

I think the key to directing is to be open to change.

It will take about a thousand million million million million years for the Earth to run into the sun, so there’s no immediate cause for worry!

我的箴言一贯如此：英雄不问来路。

生活的美妙之处在于它永远不会如你所想的那样发展。

Smart infrastructure will redefine urban development.