Ford, the automobile man, stated in his testimony before the Industrial Commission that he gets more and better work out of men at eight hours a day than at ten.  
It is a law that holds good everywhere. The first duty of a worker is to keep himself fit. And an hour’s labor when he is up to the mark, bright, keen, and enthusiastic, is worth three hours’ effort when he is fagged.
 
“Keeping everlastingly at it brings success” is a lying motto; it rather brings poor results, slipshod products, and paresis.
 
Rest and recreation are the best parts of labor. They are the height to which the hammer is lifted; and the force of the blow depends on that height. To go ahead without 107 let-up is to deliver only a succession of feeble, ineffective blows.
 
Get all the sleep you can. Stay abed all day occasionally. Learn to be lazy, to dawdle, to enjoy an empty mind; then, when you are called to effort, you can hit with ten times the power.
 
The higher the quality of your work, the more necessary it is that you approach it only when you are at your best.
 
This is especially true of intellectual effort. You can tell, when you read a story or an article, whether it is tainted with exhaustion; it is dull, lifeless putty.
 
Those who court the quality of brightness, but do not keep their bodies in trim, often resort to artificial stimulants. Stephen Crane said that the best literat............