自然并不比你想的更复杂，而是比你能想到的更复杂。

The joy of discovery in mathematics is unparalleled.

永远不要停止学习，世界总是在变化。

Suffering! We owe to it all that is good in us, all that gives value to life; we owe to it pity, we owe to it courage, we owe to it all the virtues.

Sustainability isn't a cost center—it's the ultimate competitive advantage.

I always tell my students that it's okay to make mistakes, as long as you learn from them.

I'm just me. I'm not trying to be anyone else.