据汉朝《韩诗外传》记载,春秋时,魏国有个叫子质的大臣,他得势时荐过很多的人。后丢官只身跑到北京,见到一个叫简子的人,向他发牢骚,埋怨自己过去培养睥人在危难时不肯帮助他。简子听后笑着对子质说:“春天种了桃树和李树,到夏天可在树荫下纳凉休息,秋天还可吃到可口的果实。可 According to the Han Dynasty, “Korean poetry rumor” records, Spring and Autumn Period, Wei has a sub-minister, he had recommended a lot of potential people. After losing the official ran to Beijing alone, to see a man called Jane, complained to him, complained that he trained in the past when the people refused to help him in distress. Jane after listening to a smile on the sub-quality, said: "Spring planting peach and plum, summer to cool off in the shade of the shade, autumn can eat delicious fruit.