Development economics is ultimately about improving people's lives.
背叛的那一刻是最糟糕的,当你毫无疑问地知道自己被背叛的那一刻:那一刻你宁愿死去。
The universe is a place that is constantly changing and evolving, and we are just a small part of it.
The difference between an ordeal and an adventure is your attitude.
最好的交易者是那些能够从错误中学习的人。