This is a very well done piece.  I love how many links and additional paths it leads to in thinking.<p>It&#x27;s a constant challenge for scientists to realize that nearly _everything_ we know is an approximation or only true in certain circumstances.  It also takes an amazing amount of humility to work knowing that you may be proving yourself, your heroes and all many people have worked for wrong.<p>Thank you Mr Wolfram for your thoughts.