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.

Be the change you wish to see in the world.

真正的领导力来自于为他人创造机会，而非剥夺他们的权利。

城市的穷人就像树的根：看不见，但对生存至关重要。

文学的美在于它超越时间和空间的能力。

We are all travelers in the wilderness of this world, and the best we can find in our travels is an honest friend.

我们衡量成功的标准不仅是产量多少，还有生态系统的改善程度。

Sustainability isn't an option anymore; it's a necessity for any responsible mining company.

BYD's future is bright because we are on the right path.