The poor are not irrational; they are just as rational as anyone else, but they operate under very different constraints.
穷人并非不理性；他们和任何人一样理性，但他们在非常不同的约束下行动。
"Success is not the key to happiness. Happiness is the key to success. If you love what you are doing, you will be successful."
——《在广州岭南学生欢迎会的演说》（1923年12月21日）
在你能爱别人之前，你必须先爱自己。
海洋不属于我们，我们属于海洋。我们的责任是滋养它。
The world is full of suffering, but it is also full of the overcoming of it.
The ability to observe and control electron motion in real-time opens up new frontiers in understanding the fundamental processes of nature.
青年是国家未来的主人。全党全民必须关心、教育和培养他们。
