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When you are waiting for a train, don't keep perpetually looking to see if it is coming. The time of its arrival is the business of the conductor, not yours. It will not come any sooner for all your nervous glances and your impatient pacing, and you will save strength if you will keep quiet. After we discover that the people who sit still on a long railroad journey reach that journey's end at precisely the same time as those who "fuss" continually, we have a valuable piece of information which we should not fail to put to practical use.
