Feynman was adamant in avoiding administrative duties because he knew they would only decrease his ability to do the one thing that mattered most in … - Cal Newport

We like to think of innovation as striking us in a stunning eureka moment, where you all at once change the way people see the world, leaping far ahead of our current understanding. I’m arguing that in reality, innovation is more systematic.

As digital technology reduces the need for labor in many industries, the proportion of the rewards returned to those who own the intelligent machines is growing. A venture capitalist in today’s economy can fund a company like Instagram, which was eventually sold for a billion dollars, while employing only thirteen people. When else in history could such a small amount of labor be involved in such a large amount of value?

Perhaps Marshall’s most striking habit was his insistence on leaving the office each day at 5:30 p.m. In an age before cell phones and email, Marshall didn’t put in a second shift late into the night once he got home. Having experienced burnout earlier in his career, he felt it was important to relax in the evening. “A man who worked himself to tatters on minor details had no ability to handle the more vital issues of war,” he once said.