Because we do not rest we lose our way.
Poisoned by this hypnotic belief that good things come only through unceasing
determination and tireless effort, we can never truly rest.
And for want of rest our lives are in danger.
—Wayne Muller

There are at least two kinds of tired in this world.

One is what I call "good tired." This is the tiredness we experience after a job well done, a task accomplished out of the best of who we are. This is a temporary condition, and when it comes, we know that after an appropriate period of rest and recuperation we will soon be back in the swing of things.

But there is another kind of tired that is more ominous; it is what I call "dangerous tired." This condition is deeper and more serious than the temporary exhaustion that follows times of periodic intensity in our schedules and workloads. The difference between "good tired" and "dangerous tired" is like the difference between the atmospheric conditions that produce harmless spring rain clouds ...