Most of the people who persist in the wilderness leave nothing behind but bleached bones.

When a strategy or an action doesn’t seem to be working, the rule is, “If at first you don’t succeed, try once more. Then do something else.” The first time around, a new strategy very often doesn’t work. Then one must sit down and ask what has been learned. Maybe the service isn’t quite right. Try to improve it, to change it, and make another major effort. Maybe, though I am reluctant to encourage this, you might make a third effort. After that, go to work where the results are. There is only so much time and so many resources, and there is so much work to be done.

There are exceptions. You can see some great achievements ...

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