There is no point treating a depressed person as though she were just feeling sad, saying, 'There now, hang on, you'll get over it.' Sadness is more or less like a head cold- with patience, it passes. Depression is like cancer.

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.

I'm not a math, I'm a music.

性能的关键在于优雅，而不是大量的特殊情况。

孤独不是缺乏陪伴，而是缺乏目的。

水产养殖的成功在于平衡产量与生态。