当你长期研究难题时，你开始看到别人只看到困惑的地方的联系。
When you work on hard problems long enough, you start to see connections where others see only confusion.
In the end, what matters is not the answers we find, but the questions we dare to ask.
It is a terrible thing for a man to find out suddenly that all his life he has been speaking nothing but the truth.
Sustainability is not just a trend, it's a responsibility.