安全不是我们的优先事项，而是我们的基础。
Safety isn't our priority - it's our foundation.
创新是区分领导者和追随者的关键。
可持续性不是一种选择——它是我们对后代的责任。
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.
行政的崇高在于知道在不同场合应该施加的适当权力程度。
【译文】知道的就是知道的，不知道的就是不知道的，这就关于知道的真谛。”