Our greatest natural resource is the minds of our children.

Sustainability isn't a choice—it's a responsibility we owe to the next generation.

The problem is, if you really believe in a society where those who merit to get to the top, get to the top, you'll also, by implication, and in a far more nasty way, believe in a society where those who deserve to get to the bottom also get to the bottom and stay there. I nother words, your position in life comes to seem not accidental, but merited and deserved. And that makes failure seem much more crushing.

看待事的可贵处在于明理，处事的可贵处在于内心公平。

数学之美在于它能够揭示看似复杂事物背后的简单性。

I'm just trying to live my life the best way I can.

永远不要低估一个有动力的团队克服障碍的力量。