The dinosaurs became extinct because they didn't have a space program. And if we become extinct because we don't have a space program, it'll serve us right!
恐龙灭绝是因为它们没有太空计划。如果我们因为没有太空计划而灭绝,那是我们活该!
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.
恩泽里从来会反生祸害,所以得意时候,应及早回头,激流勇退;失败后也许却反获成功,所以不顺心时,就不要撒手,坚持到底。