John Carmack said something similar on another HN post a few days ago: <a href="https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=10845832" rel="nofollow">https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=10845832</a><p><i>&quot;Whatever the grand strategy for success is, it gets broken down into lots of smaller tasks. When you hit a wall on one task, you could say “that’s it, I’m done for the day” and head home, or you could switch over to something else that has a different rhythm and get more accomplished.&quot;</i>