《论衡·卷十三·别通篇》
人们有的没有井盐可吃，有的打井得不到盐水，这样能得到盐井的好处吗？
人或无井而食，或穿井不得泉，有盐井之利乎？
Some people don't have well salt to eat, and some people can't get salt water when they drill wells. Can they get the benefits of salt wells like this?