Absence of occupation is not rest,
A mind quite vacant is a mind distressed.
Brain cells create ideas. Stress kills brain cells. Stress is not a good idea.
I don't know any executive who ever thought about stress, although a lot of other people do. No one ever dies of hard work. But a lot of people die once they retire from an active job.
The trouble with being in the rat race is that even if you win, you're still a rat.
If I were a medical man, I should prescribe a holiday to any patient who considered his work important.