Shut out the yesterdays which have lighted fools the way to dusty death. ... The load of tomorrow, added to that of yesterday, carried today, makes the strongest falter. Shut off the future as tightly as the past. ... The future is today. ... There is no tomorrow. The day of man's salvation is now. Waste of energy, mental distress, nervous worries dog the steps of a man who is anxious about the future. ...