The existence of a legal system is a matter of social fact.
法律體系的存在是一個(gè)社會(huì)事實(shí)。
The anarchic nature of the international system means that states must rely on self-help to ensure their survival.
領(lǐng)導(dǎo)的藝術(shù)在于說(shuō)不，而非說(shuō)是。說(shuō)是很容易的。
I don’t have to prove anything to anyone. I only have to follow my heart and concentrate on what I want to say to the world. I run my world.
物理理論的美在于它能夠統(tǒng)一看似無(wú)關(guān)的現(xiàn)象。