To be a good mathematician, you need to have both intuition and rigor.

In the energy transition, coal will remain a critical bridge fuel for decades to come.

Remembering that you are going to die is the best way I know to avoid the trap of thinking you have something to lose.

Sustainability isn't an option; it's a responsibility we owe to future generations.

我们最终拥有的唯一工具是我们自己的感知。