21世纪最激动人心的突破将不是因为技术，而是因为人类概念的扩展。
The most exciting breakthroughs of the 21st century will not occur because of technology but because of an expanding concept of what it means to be human.
Development economics is ultimately about improving people's lives.
我从未过多思考过我会如何死去，但为我所爱的人而死似乎是个不错的死法。
The energy transition is not just about switching from fossil fuels to renewables; it's about ensuring that no one is left behind in the process.