《增广贤文·下集》
败家子弟生活奢侈无度，把金钱当成泥土；贫家子弟一点一点的积累财富，最后变得富有。
败家子弟挥金如土，贫家子弟积土成金。
The profligate son leads a life of extravagance, seeing money as nothing more than mud; the poor son accumulates wealth bit by bit, and eventually becomes rich.