真正的韧性来自于为多种未来做准备，而不仅仅是预测一个未来。

当你怀疑自己能否飞翔的那一刻，你就永远失去了飞翔的能力。

Infrastructure is the backbone of the nation, we must use wisdom and sweat to build century-long projects.

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.

采矿行业的领导力意味着为长期利益做出艰难的决定。

My life has no script; everything is improvisation.

我表演不是为了逃避现实；我表演是为了理解它。