心理学必须始终问：这如何帮助有机体生活？
Leadership means making tough decisions today for a better tomorrow.
A people without children would face a hopeless future; a country without trees would face a future with even less hope.
"每一本书都是一个世界，作者是那个世界的创造者，读者则是那个世界的探索者。"
The beauty of physics lies in its ability to explain the complex with the simple.
每个人都认为自己是世界上最重要的存在。