《韩非子·喻老》
扁鹊拜见蔡桓公，站了一会儿，扁鹊说： 您有病在表皮上，不治怕会加深。 
扁鹊见蔡桓公，立有间。
Bian Que paid a visit to Duke Huan of Qi. Upon standing there for a while, Bian Que said, "Your Highness, you have a disease on your skin. If you do not treat it, I fear it will worsen.