States are rational actors that seek to maximize their power and security in an anarchic international system.
城市是一个伟大的人工制品,是人类文明的最高作品。
最具创新性的解决方案往往来自于限制。
A building should touch the earth lightly.
在数学的领域里,每一个问题都是发现新事物和深刻见解的机会。
The best performances come from the heart, not just the voice.