The true test of architecture is how it ages.
建筑真正的考验是它如何老化。
可持续性不是一种选择，而是一种责任。
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.