A new scientific truth does not triumph by convincing its opponents and making them see the light, but rather because its opponents eventually die, and a new generation grows up that is familiar with it.

Every ton of paper we recycle saves 17 trees. That's not just business, that's legacy.

Think globally, act locally.

数学的本质在于它的自由。

生活是个婊子，死亡是她的姐妹。

"Sometimes the hardest thing to do is to tell the simplest truth."