About 100,000 of them, to be more precise.<p>Your comment made me want to revisit Feynman&#x27;s Letter: <a href="http:&#x2F;&#x2F;www.lettersofnote.com&#x2F;2015&#x2F;10&#x2F;do-not-remain-nameless-to-yourself.html" rel="nofollow">http:&#x2F;&#x2F;www.lettersofnote.com&#x2F;2015&#x2F;10&#x2F;do-not-remain-nameless-...</a>