全球能源合作对于应对共同挑战至关重要。
Global energy cooperation is essential to address common challenges.
The beauty of instrumental variables is that they allow us to see the world in a new light.
To lead is to serve, not to command.
事物是甜还是苦，尝试过的人才能辨别；道路有平坦与险阻，走过的人才知道。
你唯一需要超越的人就是昨天的自己。
假装二流是一流的，这是可怕的。假装你不需要爱，而实际上你需要；或者你喜欢你的工作，而实际上你知道你完全有能力做得更好。
The essence of education means: one tree shakes another, one cloud pushes another, one soul awakens another.
The only thing we have to fear is fear itself.
Life is like music。It must be composed by ear，feeling and instinct，not by rule.