《太平广记·卷三十九·神仙三十九》
他把王十八迎进屋，又恳求。王十八说： 你的病马上就好，暂且把那药还回来 于是他把一两盐扔到水里让刘晏喝。
刘公感叹颇极，延入阁中，又恳求。王十八曰： 所疾即愈，且还其药。 遂以盐一两，投水令饮。
He welcomed Wang Shiba into the house and pleaded again. Wang Shiba said: Your illness will be cured soon, so please return the medicine for the time being. So he threw an ounce of salt into the water and asked Liu Yan to drink it.