我们都只是过客，而世界对我们的经过漠不关心。
我们都受进化无形之手的塑造。
The worst thing in the world that can happen to you if you’re an engineer that has given his life to develop something is for someone to just rip it off.
富贵如住宿旅店，只有谨慎勤劳才可以久居；贫贱如破衣服，只有勤俭才能脱去贫穷的破衣。
I'm not a rapper, I'm a science legend.
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.
历史上的大战——我们在布匿战争中已经看到这一点——源于国家间的不平衡发展。