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。
The first duty of the sovereign， that of protecting the society from the violence and invasion of other independent societies， can be performed only by means of a military force.
The truth is: the natural world is changing. And we are totally dependent on that world. It provides our food, water and air. It is the most precious thing we have and we need to defend it.
煤炭不仅仅是一种商品，更是现代文明赖以建立的基础。
I always try to capture the essence of human relationships in my films.
I'm only rich because I know when I'm wrong... I basically have survived by recognizing my mistakes.
