生活就是不断地放下，但最遗憾的是我们来不及好好告别。
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.
不该说话的时候却抢着去说，这叫急躁；到该说话的时候却闭口不说，这叫隐瞒；不看别人的脸色便随便插嘴，这叫没有眼色。
In business, as in science, the most significant breakthroughs come from challenging the status quo.