自然实验是理解现实世界中因果关系的强大工具。
Words are, of course, the most powerful drug used by mankind.
True progress is measured not just in profits, but in the positive impact we have on society.
唯一能拯救我们的是停止害怕。
I'm blessed to do what I love.
夜晚是一种伟大的寂静，但星星是它的音乐。
We must advance the energy revolution with greater determination and intensity, accelerating the establishment of a clean, low-carbon, safe, and efficient energy system.