Even on the busiest day the crowded hours come to us one moment at a time; no matter how many problems, tasks or strains we face, they always come to us in single file, which is the only way they can come. To get a true mental picture, he suggested visualizing an hourglass, with the many grains of sand dropping one by one. This mental picture will bring emotional poise, just as the false mental picture will bring emotional unrest.
