《太平广记·卷十二·神仙十二》
就亲自带了礼物拜见董奉，说了旱情。董奉说： 下雨还不容易吗？ 
乃自赍酒脯见奉，陈大旱之意。奉曰： 雨易得耳。 
So, they personally brought a gift and paid a visit to Dong Feng and presented the request to him. Dong Feng said: Is it not easy to make it rain?