Look carefully through all the claims pressing upon you in...

Look carefully through all the claims pressing upon you in your complicated life, and decide once and for all what it is that is the one really important and overmastering duty in it, and should be the one dominating aim. Then remember that if you succeed in that, the others, so multifarious, are really no more than the fringe of the garment, and that you need not spend so much anxiety over them, provided that the one most important is faithfully attended to.