晋朝人孙康从小喜欢读书,但家境贫穷,为了维持生计,家人不得不在白天都干活,孙康年纪虽小,但也不例外。白天没有时间,晚上家里没有灯,因此不能读书。小时候,孙康问父亲:“为什么别人家里有油灯,而我们没有呢?”父亲回答说:“油灯很贵,咱们要买油灯全家都要饿肚子。”孙康很懂事,自此不再提此事。 Sun Kang from the Jin Dynasty loved reading since childhood, but his family was poor and his family had to work during the day in order to maintain their livelihood. Although Sun Kang was young, he was no exception. No time during the day, no light at home, so can not study. As a child, Sun Kang asked his father: “Why do people have oil lamps at home, and we do not?” “My father replied: ” Oil lamp is very expensive, we have to buy oil lamps the whole family must be hungry. "Sun Kang is sensible, since no longer Mention this matter.