The most dangerous thing in the wild is not the animals or the terrain. It’s your own mind.

数学是一门活生生的学科，不断演变和发展。

We must balance the urgent need for climate action with the equally urgent need for energy security and economic growth.

领导力在于因为你的存在而使他人变得更好，并确保这种影响在你离开后依然持续。