扁鹊见蔡桓公
扁鹊见蔡桓公,立有间.扁鹊曰:“君有疾在腠理,不治将恐深.”桓侯曰:“寡人无疾.”扁鹊出,桓侯曰:“医之好治不病以为功.”居十日,扁鹊复见,曰:“君之病在肌肤,不治将益深.”桓侯不应.扁鹊出,桓侯又不悦.居十日,扁鹊复见,曰:“君之病在肠胃,不治将益深.”桓侯又不应.扁鹊出,桓侯又不悦.居十日,扁鹊望桓侯而还走.桓侯故使人问之,扁鹊曰:“疾在腠理,汤熨之所及也;在肌肤,针石之所及也;在肠胃,火齐之所及也;在骨髓,司命之所属,无奈何也.今在骨髓,臣是以无请也.”居五日,桓侯体痛,使人索扁鹊,已逃秦矣.桓侯遂死.