"卫东老弟，你是我们全体李姓家族，全体家乡学子的骄傲，随着你的足迹和学业成就你变成我们全国和全世界学子的骄傲，你所取得的成绩将时时激励着我们及后来者励精图治，奋发图强，以你为榜样为国家兴旺，科学进步前赴后继！你的勤学苦练，孜孜不倦，奋力拼搏的精神将永远激励着我们！愿你在天之灵安息！"

"I can't find the words to express how deeply you will be missed, Weidong. I cherished our collaboration, and so admired your dedication and wonderful humor. The Universe which we explored together is now an emptier place, one more star lost, but by your work and in our hearts, your brilliant light will always illuminate us."

"Weidong taught me much of what I know about CCD photometry, and I am indebted for his help. We worked together on several projects, in particular a paper on a KAIT GRB which he and I co-authored.  We had both done a great deal of work, but he graciously stepped aside to allow me to be first-author. He was always a positive presence at Alex's meetings and around the astronomy department."

"Dear Weidong,
I have been looking forward to meet you at Beijing this summer.  I will surely remember you in the GA.　一路走好。"

"I am in debt with you for the work you have done with supernova search. Rest in peace Weidong."

"Candle lit by Alma Menn on 10 of January 2021
I morn the loss of  my dear friend, Weidong.  I met Weidong and Ling soon after they arrived in Berkeley. My sister, Marilynn, helped them improved their English.  I have shared many happy days with Weidong, Ling and Stella. I do miss Weidong.  May you rest in peace among the stars."

"Dear Weidong, I am still in shock and can't believe you have left us. If such things can be known, I would like to think that you are now reunited with your Chinese mother, and your American mother (and my mother) Marilynn. All my love to you wherever you have gone, dear Weidong. I will miss you."

"當我同事告訴我您去逝的消息時候, 我驚訝的說不出話來, 還記得幾年前才聽過您的超新星的演講, 鼓舞了許多年輕人從事這方面的研究, 而如今, 您已經離開我們到天堂去了, 希望您這一路上好走。"

"I took a few spectra of SNe for Alex at Lick, resulting in 3 papers but the most cited one- Li et al. 2001- has 121 citations and my name appears right next to Adam Riess, who won the Nobel Prize in physics in 2011-something I can show to my kids. Thank you, Weidong, for including me; it means so much.  Sad not to have met you."

"李卫,
我觉得很心痛当我看到你和你那么漂亮的女儿合影。我想你一定舍不得离开她。 我希望你到了天堂那边不用黑白颠倒看星星。 所有的星星任何时侯你都一览无余，欣赏灿烂的宇宙，不再辛苦，只有欢乐。我们大学毕业照让我再次回想起你的音容笑貌，R.I.P. my dear and excellent friend!"

"Dr. Li,
Many thanks for your contribution to Astronomy and Astrophysics."

"Thanks for all you've done for our community and your precious family. Until we meet again.

感谢你为我们的社区和您的珍贵的家庭的所有。直到我们再次见面。"

"Weidong,
I can't believe this is the last message I write to you. Your insights and knowledge, enthusiasm, and friendly disposition will be missed greatly. Your contribution to science will live on forever even if you're body cannot. Rest in peace."

"Dear Weidong, The Lick Observatory Supernova Search that you led for so many years was very influential and what made possible to launch the low-z Carnegie Supernova Program In Chile in 2004, and also a model and inspiration for our similar CHASE work in the southern hemisphere. Your legacy will live for ever. I remain very grateful for the wisdom and knowledge that you shared with us."

"I can remember the first day you showed up to Alex's group meeting in Berkeley, bringing sweets from China to share with everyone, like it was yesterday. Joking with you about how hard it was getting sleep between observing and having a new-born baby. I can't believe it has been 14 years...I will miss your smile and your easy kind words to all. Peace."

"Weidong, I will never forget the help you gave me in getting started with research.  I am sincerely grateful for your enthusiasm and dedication.  Rest in peace among the stars."

"It is hard to believe I will never see you again Weidong. Your science helped us understand so much about the Universe. Your helped so many undergraduates get excited about astronomy. I know that part of your legacy will be that you touched so many with you humanity. I will miss you."

"I am stunned you are gone.  I will miss you greatly, from our ping pong games to discussions of science.  You had "tons and tons" of enthusiasm and energy.  I will miss you."

"以前虽久闻大名，但无缘相见。今年暑假初次见面却成永别。你的乐观豁达，敏捷的思维给我留下了深刻的映象。你给我关于在超新星巡天方面的建议和帮助使我受益匪浅。初闻噩耗除了震惊不知所措。此时此刻寄上哀思，祝你一路走好。"

"头一天晚上还和朋友提到卫东兄弟的名字，没想到第二天就看到系里的邮件。实在太震惊了，也非常非常的遗憾！25年前认识李卫东，他一直是班上成绩最好的。后来在天文台开始在施密特隔壁的60公分做超新星，也一直是做的非常好。后来去美国还发现过几颗以“Li”命名的彗星。兄弟一路好走。"

"R.I.P."

"今年7月份在北京相会，卫东你还是那么壮硕，那么乐观，那么豁达，怎么突然就走了呢？"

"天文系规模小，亲情浓。 天文系的同学，很多成了终生相知的兄弟。

人生苦短，友谊长存！

卫东兄，我们永远怀念你！"

"卫东是个好儿子，好父亲，好丈夫，好兄长，好系友。卫东对母校、对天文系，对恩师李老师、胡老师，饱含深情。有次电话提到他刚从国内奔母丧回来，数度哽咽。卫东一提起女儿Stella，喜爱之情溢于言表。

卫东与天文系86级同学袁启荣、方永根等的兄弟亲情，让人感叹不已。"

"惊悉卫东噩耗，不胜痛心之极！

卫东师兄是天文系的骄傲，李老师，胡老师的得意弟子。

1999年春，Alex Filipenko在普林斯顿作Lyman Spitzer Lecture时得意地提到，"搜寻超新星，历史上是中国人领先，到了今天，是我的小组领先。前一两年，北京胡的小组超过了我们。现在我的小组又追上去了。原因很简单，我把胡的骨干Weidong Li挖到Berkeley来了。""

"7月初在清华还见过李老师一面，现在走了，太突然……
李老师身上有着天文学家特有的自豪和牛气。“我们做观测的不太懂你们磁流体理论的那些东西，但我们的贡献一样很大！”这句话我无法忘怀。
SN （除了 Ia）是恒星的天鹅之歌。李老师在 SN 方面的贡献虽然戛然而止，但您的这十多年就如一颗 SN 一样夺目，盖过了我等凡辈毕生的光辉。"

"不敢相信卫东真的离我们而去了！！太多的回忆刹那间浮现在眼前，仿佛就在昨天。我们曾在科大一起度过那个难忘的暑期学校，欢笑中调侃尘世间的男男女女；在兴隆，无论在乒乓台前，还是在圆顶食堂，你总是那个最愿意把快乐带给大家的人；在北台的老楼里，我们一起分享过天文研究的苦与乐，对未来充满了期待和憧憬......安息吧！我的湖北老乡和永远的兄弟。学兵"

"难以至信，就在几个月前才在北京聚会，你谈笑风生，还象过去一样，热爱打乒乓，还和咱班同学一起去打乒乓重温大学时光......比上次我们同学聚会时今年你年轻了许多。在你的宿舍里我不停地翻看你笔记本里数不清的你们一家的生活照片，你和我们一一解说那一张张照片背后的幸福时光，看到你美丽的妻子（十多年前我们曾经一起拼住在大屯的两居室）时，你不停赞叹她的努力和贤惠，为了减轻你的压力她如何努力拿下执照刚刚有了一份工作，你如何接她下夜班，每天陪她散步.......看到你活泼漂亮的女儿一张张长大的照片时，你的脸上更是写满了骄傲和自豪，我们都为你高兴……你却转身走了这么突然令人难以接受…….我知道你是幸福的，李卫，一路走好，你是幸福的，说好了，别忘了说好的回去后邮寄照片......."

"Very sad to hear the news of Weidong's passing today. We were classmates in college and had since lost contact with each other up until few years ago. To me, Li Wei, as we used to call him back in college time, didn't change a bit. He was still the same energetic and friendly classmate from over 20 years ago..Sadly now I lost contact with him again, this time forever...R.I.P. Li Wei."

"Dear Weidong,
you were a great scientist, your articles have always been invaluable reference points for me. I appreciated your friendly and cheerful presence last summer in Sydney. It's hard to realize that I will not meet you again.
I will miss you. Rest in peace."

"天妒英才, 上天才早早地就招回了卫东.  by 田文武 我比卫东高一届, 与他同在天文系学习共事达六年之久. 其在校期间学习中表现出来的聪慧和勤奋为众多系友所亲见. 无需我再多言. 他与我更独特的友谊更多的是在乒乓球运动中建立起来的. 卫东的球技突出, 球风也很好. 要是没记错的话, 我俩在系学生会组织的每年一度的系乒乓球比赛中至少成为对手4次,其中3次是在(半)决赛阶段的. 他的执著使我记忆至今. 记得一次练球中, 因为他没能接好我一怪异的发球, 他就连续地请我发这种球,不断琢磨如何回击, 至到接好为止. 与卫东在大学打球的日子对我来讲是非常愉快的记忆, 我猜他也同样享受那些青春的快乐时光, 因为在没有联系近10年之后我们再次联系上时, 他对我说的其中一句话就是他还记得我俩一起打球的画面, 还问我什么时候有机会去加州打球. 唉, 声犹在耳, 人却已去天国."

"东东，看到你照片上在风中飘荡的白发，我们忍在胸中24小时的泪水终于夺眶而出。你怎么就走了。
第一次见你是五年前，你送的那块乒乓球拍我们还留着，就是今后可能永远不会用了。我们怎能不睹物思人，再想起你的笑容和笑声。
最后一次见你是一年前，在RENO的酒店等着第二天滑雪。你的一家刚刚在路上堵了8个小时，可你已经喊着找人打牌了。我们没有注意到任何白发啊？
这一年里发生了什么？你怎么会突然满头白发，满头白发！我亲爱的朋友和兄弟！
东东，走好，天堂里的星星可能更明亮。你去摘一颗，给我们地上的人照着，让我们不忧伤，不害怕。"

"I simply cannot accept this tragically shocking news. We may have never met. But I've heard about you and your work so many times from friends and from Alex's talks. My deepest condolences and best regards to your family. R.I.P."

"卫东，你还记得我们俩大年初二一起上兴隆，从南双洞爬到山顶吗？还记得我们一起走下山到长河套吗？你还记得在兴隆站实验楼你让我分享那封邀请你到UC Berkeley做博士后的email 吗？今天晚上刚刚和师大天文系的同学说到你，当我们与天文系的老师通话时才得知你的突然离去，我们被震惊了，心理无法接受。我在网上搜寻，你为什么离我们而去。那张白发的照片告诉我：你太辛苦了！...... 愿你好好安息，与你所爱的星星一起睡吧！愿你的家人平安、健康！"

"Weidong, may you rest in peace among stars which you love. Our thoughts and prayers are with your family."

"祝卫东老师一路走好."

"It has been three days now since we got this brutal news, and we're still trying to walk out of the shock and sadness. Weidong -- we just cannot believe that you're gone. We will forever remember your smiling face, and the hundreds of days and nights that we spent together in Xinglong. 卫东安息。－ Haojing & Chunmei"

"Weidong, my second adviser, provider of lengthy and extremely useful comments on papers, you are so dearly missed. Things will never be the same around here."

"卫东老师，我还记得今年夏天在国家天文台听您的讲座的情景，您的学识渊博，语言幽默，心态乐观给我很深的印象。祝您走好。"

"I still remember when we were observing in Xinglong almost 20 years ago. You were a wonderful friend and an extraordinary scientist. May you find peace among the stars that you loved. Our thoughts and prayers are with your family."

"李老师，一路走好。"

"Weidong, your sudden departure from this world is tragic, and I'm having a terribly hard time accepting it. You were a very dear friend, my most valuable long-term collaborator, and a wonderful mentor to my students and postdocs. I cannot fathom that we will never again have lively discussions, and that your warm smile and kind heart are gone forever. May you rest in peace among the stars."

"You were one of the kindest, sweetest persons that I've ever met.  I  will remember you fondly.  May your soul rest in peace."

"噩耗传来，难以相信。李老师一路走好。李夫人和Stella请多保重！"

"人生如梦！希望一路走好！"

"在一个流星雨飞洒的夜晚得知了这个噩耗,心情沉痛. 卫东老师一如天际滑过的流星,生命虽然短暂,却发出了无比耀眼的光辉."

"R.I.P. ..."

"愿李老师一路走好。您对天文学的贡献我们会铭记！"

"愿您安息，卫东老师。"

"Your smiles and the meeting in this summer will be always kept in mind. Rest in peace, my teacher."

"Rest in peace...."

"You were our friend, our mentor, and our rock. May you find the peace in the beyond that you could not find on Earth."

"Eternal rest grant Weidong, O Lord, and let perpetual light shine upon him. May the soul of the faithful departed - Weidong, through the mercy of God, rest in peace. Amen."

"This is truly heartbreaking news. Weidong was such a warm, cheerful individual. I can't believe he is gone. Et trobarem molt a faltar."

"李老师一路走好！"

"愿您安息，卫东老师。"

"We will miss you a lot dear Weidong."

"I cannot make sense of your departure and of your depriving friends and colleagues of your scientific and human presence.
The best people leave us first.  From wherever you are, keep close to us. Arrivederci, Weidong."

"逝者安息，生者坚强.大家保重身体。"

"卫东老师一路走好。"

"逝者安息，生者坚强。"

"Your smile will be missed forever. Rest in peace, dear weidong!"

"Ciao Weidong, ci mancherai moltissimo!"