真相并不总在事实中，有时它隐藏在想象的褶皱里。

我不喜欢被定义。

The true measure of an economy’s success is how well it serves all its citizens.

The biggest risk is not taking any risk.

量子力学不仅仅是一个理论，它是一个从根本上改变了我们对现实理解的框架。

And I hope you will come back here to Harvard 30 years from now and reflect on what you have done with your talent and your energy. I hope you will judge yourselves not on your professional accomplishments alone, but also on how well you have addressed the world's deepest inequities…on how well you treated people a world away who have nothing in common with you but their humanity.