知名华人数学家张益唐教授在香港中文大学（深圳）2020年度入学典礼上的致辞

华人数学家张益唐教授寄语

香港中文大学（深圳）2020级新生

Prof. Yitang Zhang is a Chinese-born American mathematician and a Professor of Mathematics at University of California, Santa Barbara. He is also one of the world leading experts on analytic number theory.

On Sept.5th, he was invited to deliver a keynote speech at the 2020 Inauguration Ceremony.

张益唐教授任教于加州大学圣塔芭芭拉分校数学系，是知名华人数学家。他在解析数论领域有卓越成就，是破解数学领域最著名猜想之一“孪生素数猜想”的关键人物。

9月5日，他受邀担任香港中文大学（深圳）2020年度入学典礼嘉宾，作主题致辞。

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各位老师、各位同学：

大家好！我非常高兴能有这样一个机会来参加我们香港中文大学（深圳）2020 年的开学典礼。但是有一点遗憾的是，因为疫情，我本人不能到场，我是通过网络来参加这个会议的。

去年夏天我访问过贵校，还跟徐扬生校长见面谈过话。当时，徐校长邀请我来参加毕业或开学典礼，而且我也答应了，本来一切都是说好的，也是在计划中的，但后来发生的事情当然我们也没有办法。现在国内的疫情还缓和一点，在美国，特别在加州，我刚才从外面回来，看到外面街上行人不多，多数人还都是戴着口罩的，外出回来以后才能把口罩摘下来。所以，有一点遗憾，但我还是能够有机会在这里跟大家说。

张益唐教授寄语港中大（深圳）2020级学生

香港中文大学，是一个历史悠久，培养出很多杰出的人才，有着优秀的学术传统的学校。我希望每一个入学的同学都要有一个远大的志向，一定要在学术上做得好；同时希望大家也能够要踏踏实实地做，因为我们过来的人懂这样一个道理，做学问不是一件简单的事情，有时候看着别人做出来很好的成果，觉得很羡慕，但你自己具体做的时候，你就会知道很多时候还是比较枯燥的，是一步一步做出来的，不是一步登天。

我希望我们不要有那种急功近利的想法，这在现实中是行不通的，这里我想提一下关于怎么学习的问题。现在，我们处于一个很有意思的一个状态，我们是网络时代，当然，也是感谢有网络，即使境外有疫情，我们隔了太平洋，我还是可以来参加会议，可以来做讲话，可以做很多事情。另外，网络也在很大程度上改变了我们的生活，尤其对我们年轻人的影响应该更深。我在美国的大学带了几个研究生，我发现他们有一个特点，就是他们掌握的信息特别多。有一次，我无意中跟他们提了很早以前我们专业方面的一个成果，他们就能把几十年前的东西给找出来，这些成果那时候好像都没有在正式论文杂志上发表过，这让我很惊讶。我们的信息掌握得多，我们应该比以前更聪明，不用像以前那样完全由于工具的限制，只能用笔来算，一步一步地做。当然，那种刻苦和踏实的传统，我们还是应该把它保留下来。

我希望我们的同学发挥你们年轻的优势，怎样最大限度地利用这个信息时代给我们带来的信息优势，你们应该做的比我们这一代更好。在这方面，我自觉已经落后于很多年轻学生。去年和前年夏天我回北京大学讲暑期班，当时就发现现在的学生跟以前很多人对中国学生的印象不一样，他们不再那么呆板，不再那么内向，好像都不敢说话，怕一开口就把话说错了。他们知道的东西很多，而且思想也很活跃，相对来讲也是比较敢于表现自己的，这是很好的事情，希望大家能够发扬光大。

还有一点，我虽然到港中大（深圳）就待了两三天，可是贵校给我印象特别好。一个是自然环境，有的时候在校园里走着，你都不相信这是一个大学的校园，像是在野外山林的一个景点，那种感觉是非常舒适的；还有，我们徐扬生校长在这方面做了很多工作，学校的人文环境特别好，我跟徐扬生校长虽然见面时间很短，但我发现除了专业方面，我们在中国的传统文学、中国的传统诗歌方向能找到很多共同语言，而且聊得非常开心。所以，在这样的环境里，希望我们的同学能够注意在文化修养方面的熏陶，这样对我们来讲也是一种很健康、快乐成长的标志。最后，我祝每一个同学在将来的大学生活中快乐成长，谢谢大家！

Prof. Yitang Zhang’s Remarks

at 2020 Inauguration Ceremony

Saturday, September 5, 2020

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Professor Yitang Zhang’s speech

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Dear students, faculty and staff, it is my great pleasure and honor to address you on this special occasion. However, it is somewhat a pity that I am only able to welcome you via the Internet but not in person as originally planned owing to the COVID-19pandemic. Last summer, I visited your university and met with President Yangsheng Xu, who graciously invited me to attend your graduation orinauguration ceremony. You have my word, I said, but sadly I failed to keep my promise as things gradually went beyond our control. While the outbreak is under control at home, the situation in the United States, especially in California where I am, is not yet clear. I have just come back from outside.There are not many people out there, and most of them are still wearing their masks. But then again, I'm glad to be able to take off my mask and address you all here through the Internet.

The Chinese University of Hong Kong boasts a long-lasting history, and a tradition of academic excellence. Over the years, the University has produced generations of outstanding talents. I hope that all of you, as new students of this long-established institution, will both aim high and stay down to earth in your future academic pursuits. Research is not an easy thing. Sometimes you may feel envious when you look at other people making great results. But when you do it yourself, you'll know that it's quite boring, and Rome wasn't built in a day.

So my dear students, just stay patient. Quick success is neither realistic nor feasible. Then as to how you should learn, I would like to share my insights here. Today, we are living in a very exciting internet age. Thanks to the Internet, I am able to speak to you across the Pacific Ocean against the dreadful pandemic. The Internet has empowered alot of things, and has changed our lives to a great extent, especially for young people. I have supervised several university graduate students in the United States. One thing I noticed about them was that they have access to aparticularly large amount of information. Once I inadvertently mentioned to them a decades-old result from long ago in our profession, and they hunted down the relevant information very quickly, even though it was not published as a formal paper in any journal. I was deeply amazed. As we have more and more information at our disposal, we don't have to be limited by the primitive tools of pen and paper, but can move on to smarter and more efficient methods. Of course, that tradition of hard work and earnestness is something we should still keep alive. Therefore, I hope that our young students can make the most of the information advantage brought to us by the information age, and outperform our generation. In this regard, I think I am already lagging behind many young students. Last year and the year before last, I returned to Peking University to teach a summer course. I noticed that the students today aregreatly different from the impression that many people have of Chinese students in the past. They are no longer rigid, introverted, nor silent for fear of making mistakes. Instead, they are very knowledgeable; they are very active in thinking; and they dare to express themselves. This is indeed a good thing that I hope you can carry forward.

During my last visit, I only spent two or three days in CUHK-Shenzhen, but I was particularly impressed by your university. One is the natural environment. Sometimes when I walked around the campus, I couldn’t believe that it is a university. It's more like a spot in the wilderness, which offers a very pleasant experience. Another highlight of your university is the outstanding cultural environment, thanks to the many efforts of President Yangsheng Xu. In my last short but delightful chat with President Xu, I found that we had a lot in common, not only in terms of our majors, but also in traditional Chinese literature and poetry. So, in such an excellent environment, I hope all of you will be able to reinforce your cultural accumulation, which may also be a source of sound and happy growth.

Finally, I wish each of you a happy and prosperous life at CUHK-Shenzhen. Thank you all!

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