Mark worked at a factory after graduation. His teacher advised him to talk less, but do more. And he was sure that what his teacher said was right and 1 the advice all the time.
One day, he visited his teacher 2 . "I have been following your advice, but I haven't got promoted (提拔)," he said. The teacher thought for a while and said, "It's time for you to give yourself a 3 . "When he returned to work after his days off, the manager told him after he was gone, others met many 4 . Realizing his importance, the manager promoted him. From then on, whenever Mark felt like he wanted more than what he was5 , he would take a day off.
Until one day, the manager 6 him from going into the factory. He went back to see his teacher to find out how things had gone so wrong.
His teacher answered, "You heard only half the lesson. No one pays any attention to a light bulb (灯泡) that is always on. It is only when it is off that people suddenly take 7 . There is the other half. 8 a light bulb often goes out, it will be replaced (代替) with a new one. It's 9 that we need to learn to be satisfied. " After hearing his teacher's words, Mark 10 his head to show his agreement.
