全球化帮助一些国家减少了贫困,但也加剧了国家内部和国家之间的不平等。
艺术是当你不知道该做什么时做的事情。
If you want to be successful, you have to be willing to fail.
当别人都不相信你时,你必须相信自己。
The definition of a good mathematical problem is the mathematics it generates rather than the problem itself.