Did you ever see a man’s desk piled high with paper and things, the pigeon-holes crammed full, and running over?  Do you know what the trouble is?  It is this:  He keeps a lot of things he ought to put in the wastebasket.  He keeps them because he thinks he will want them some day, and is afraid to throw them away.  If he would look squarely at every paper that comes to his desk, and decide [...]