<div dir="auto">I don't understand this but it is beautiful, and I wish I could step into this world.<div dir="auto"><br><a href="https://johncarlosbaez.wordpress.com/2020/06/29/noethers-theorem-2/amp/?__twitter_impression=true">https://johncarlosbaez.wordpress.com/2020/06/29/noethers-theorem-2/amp/?__twitter_impression=true</a> </div></div>