As two objects cannot occupy the same space at the same time, so the mind that is occupied with pleasure cannot also be concentrated upon the perfect performance of duty. Pleasure has its own place and time, but its consideration should not be allowed to enter the mind during those hours which should be devoted to duty. Those who, while engaged in their worldly task, are continually dwelling upon anticipated pleasures, cannot do otherwise than bungle through their work, or even neglect it when their pleasure seems to be at stake.
