Stop being afraid of what could go wrong and start being excited about what could go right.

The key is not the will to win… everybody has that. It is the will to prepare to win that is important.

科学的大悲剧——一个丑陋的事实扼杀了一个美丽的假说。

You have to be willing to fail, to be wrong, to start over again with lessons learned.

未来属于那些敢于梦想并有勇气追求梦想的人。

I believe that if you show people the problems and you show them the solutions they will be moved to act.

城市的穷人就像树的根；看不见，但对它的生命至关重要。