我们必须时刻用不同眼光来看待事物。
We must constantly look at things in a different way.
接受责任的能力是衡量一个人的标准。
最有力的陈述往往是最安静的。
The structure of the international system, not the intentions of individual states, is the primary determinant of state behavior.
The city is the greatest human invention, and architects must serve its evolution.