====== 2023-01-25 ======

I am in a group of mathematician. I watched this beautiful moving sequences of youtube videos. 

  * [[https://www.youtube.com/watch?v=KQTqbNB7Xb0 | by Michael Hopkins]]
  * [[https://www.youtube.com/watch?v=CTQcLi6SpX8 | by Jim Simons ]]
  * and by [[https://www.youtube.com/watch?v=YYuaYgPTvzQ | the advices ]] Jim Simons says "Don't give up".