《宋书·列传·卷七十三》
既遵从道德，便不会讥笑贫穷，而只谈论那些有意义的东西，有人说： 贫穷为什么快乐？ 
道可怀而理可从，则不议贫，议所乐尔。或云： 贫何由乐？ 
If you follow the ethical code of conduct, you will not ridicule the poor, but you will only discuss meaningful matters. Someone asked: Why are the poor happy?