The beauty of mathematics is that it is both an art and a science.
真相很少是纯粹的,也从来不简单。
The most beautiful people we have known are those who have known defeat, known suffering, known struggle, known loss, and have found their way out of the depths.
I always work with a goal, and the goal is to improve as a player and as a person.
If you're an artist, you try to make sense out of one thing or another.
货币政策规则的设计应避免自由裁量政策的陷阱,后者往往导致时间不一致性。