title: What are some must-read EWDs?
body: <p>Dijkstra was one of the most prolific computer scientists. He wrote the famous <a href="https://en.wikipedia.org/wiki/Edsger_W._Dijkstra#EWDs_and_writing_by_hand" rel="nofollow noreferrer">EWDs</a>. It is not feasible to read them all. But I think there are some we all must read.</p>
  
  <p>Which of them are a <strong>must-read</strong>?</p>