Throughout all of this, what I would ultimately realize 经过这一切，我才恍然大悟 was that each voice was closely related to aspects of myself, 每一个我听到的声音都跟自己密切相关 and that each of them carried overwhelming emotions

Well, good morning to all of you. 各位早上好。 And let me, first of all, congratulate what you have demonstrated right now an agility in transforming yourself. 首先，请允许我对你们在改造自己的过程中所表现出的敏捷性表示祝贺。 You looked a

Let me tell you a story. When we did our circuits course for the 155,000 students, 给大家讲一个故事。当我们的电路课程要为那155,000的学生上线时， I didn't sleep for three nights leading up to the launch of the course. 为了引领课程上线，我

灾难到来时，我们才会发现看似普通的日常生活是多么可贵。2009年1月15日，全美航空1549号班机迫降纽约哈德逊河，Ric Elias 就坐在第一排的位置。听他分享在“人生最后一刻” 学到了什么。 Ric Elias: 3 things I learned while my plane crashed 坠机让我学到的三件事 Imagine a big explosion a

Another moon that we're looking at is Titan. 我们在研究的另一个卫星是土卫六。 Titan is a huge moon of Saturn. 土卫六是土星的一个非常大的卫星。 It perhaps is much larger than the planet Mercury. It has an extensive atmosphere. 它可能比水星