《智囊(选录)·杂智部·老妪骗局》
两家往来三个月之后，一天，老太太的孙子来邀请老头一家去喝订婚酒，老太太说： 两个媳妇哪能随便走开呢，我和老伴儿还有他两个儿子去吧。 
如此往来三月，一日妪之孙来，请翁一门，云已行聘，妪曰： 子妇来何容易，吾与翁及两郎君来耳。 
After the two families had been interacting for three months, one day, the old woman's grandson came to invite the old couple to have a drink for his engagement party. The old woman said, "How can two daughters-in-law leave casually? My old man and I, as well as his two sons, will go."