数学不知道种族或地理界限；对于数学来说，文化世界是一个国家。

On television， all subject matter must be presented as entertainment.

——2002年6月温铁军在清华大学的一次讲座

Remembering that I'll be dead soon is the most important tool I've ever encountered to help me make the big choices in life. Because almost everything—all external expectations, all pride, all fear of embarrassment or failure—these things just fall away in the face of death, leaving only what is truly important. Remembering that you are going to die is the best way I know to avoid the trap of thinking you have something to lose. You are already naked. There is no reason not to follow your heart.

I'm like a chameleon. I adapt to my surroundings.

真理和清晰是互补的。

Sustainability isn't a destination—it's a journey.

我唯一确定的是我一无所知。

灾祸中依存着幸福，幸福中潜伏着灾祸