Busy people need to cultivate forms of rest, he [Churchill] began, but are temperamentally unable to simply do nothing. ‘It is not enough merely to switch off the lights which play upon the main and ordinary field of interest,’ he argued. ‘A new field of interest must be illuminated.’ Fortunately, ‘the tired parts of the mind can be rested and strengthened, not merely by rest, but by using other parts.’
Alex Soojung-Kim Pang