Mathematics is the art of giving the same name to different things.
我们为新南开所抱的志愿，不过是‘了解中国，服务中国’这两句话。
欧洲不应是一个怀旧的洲，而应是一个充满希望的洲。
The writer’s job is to disturb the peace.
The biggest risk is not taking any risk at all.
The greatest question of our time is not communism versus individualism, not Europe versus America, not even the East versus the West; it is whether man can bear to live without God.