To be really productive, it's as important to rest when we're tired as it is to work when we're inspired.
Work, alternated with needful rest, is the salvation of man or woman.
No man is greater than his respect for sleep.
You have this idea that you'd better keep working otherwise people will forget. And that was dangerous. And then you realize, no, actually if you take a break people might be more interested in you.
I'm a huge believer in the importance of vacations for leaders, entrepreneurs, and everyone else. I work extremely hard - usually 70+ hours a week.
We have now well established the fact in our own nation that one can do more work in six days, even in five, than in seven. A run-down person is an unproductive person.
Americans need rest, but do not know it.