穷人面临的约束往往是政策制定者看不到的。
The poor face constraints that are often invisible to policymakers.
The soul is a fire that darts its rays through all the senses; it is in this fire that existence consists.
The Langlands program is not a static set of conjectures but a dynamic field of research.
这世界是个好地方,值得为它奋斗。
找到自己的最好方法就是在为他人服务中迷失自己。