In your character as day laborer, sift carefully each morning what belongs to to-day from that which may come to-morrow.

Be rigid with yourself in this adjustment.

If you find the weight beginning to tell upon bodily or mental muscles, ask your reason, as well as your conscience, whether or not the strain may not be from to-morrow's log.
For example: You have a servant who suits you, and whom you had hoped you suited.

She is quiet to-day, with a pre-occupied look in her eye that may mean CHANGE.
As a housekeeper you will sustain me in the assertion that the portent suffices to send the thermometer of your spirits down to "twenty above," if not "ten below." Instead of brooding over the train of discomforts that would attend upon the threatened exodus, bethink yourself that since Norah cannot go without a week's warning you have nothing to-day to do with possibilities of a morrow that is seven times removed, _and put the thing out of your mind_.
In the italicized passage lies the secret of a tranquil soul.

Learn by degrees to acquire power over your own imagination.