魏晋时期的大学者、大医学家皇甫谧从小被寄养在叔叔家。小时候的皇甫谧特别贪玩,不爱学习,整天东游西逛,无所事事。有一次,他到集市上去玩耍。一位卖瓜的老人见他两眼直盯着一个个香香甜甜的瓜,偷偷咽口水,就顺手拣起一个甜瓜来,递给他说:“你想吃瓜,可又没钱买,对吧?要不,你怎么老在我这瓜摊边蹲着不走呢?” Weijin period university, big physician Huangfu Mi was foster childhood at his uncle’s home. Huang Fu Mi childhood special fun, do not love to learn, all day east tour West, nothing to do. Once, he went to the market to play. A sold melon old man saw him eyes staring at a sweet and sour melon secretly swallow saliva, pick up a melon smoothly, handed it to him: "You want to eat melon, but no money to buy , Right? Or else, how old are you squatting in my stall?