定理是永恒的；它们的证明是短暂的。

我相信爱和音乐改变生活的力量。

中国矿业要走向世界，必须提升国际竞争力。

在科学中，重要的不是获得新的事实，而是发现思考它们的新方法。

The mind is not a passive mirror of the world but an active participant in constructing reality.

可持续性不仅仅是种树；而是种下能成长为行动的想法。

"We are all alone, born alone, die alone, and—in spite of True Romance magazines—we shall all someday look back on our lives and see that, in spite of our company, we were alone the whole way."