Scarecrow: But that isn’t right. The King of Beasts shouldn’t be a coward.
“I know it,” returned the Lion, wiping a tear from his eye with the tip of his tail. “It is my great sorrow, and makes my life very unhappy. But whenever there is danger, my heart begins to beat fast.”
Tin Woodman: Perhaps you have heart disease.
Lion: It may be.Lyman Frank Baum (The Wonderful Wizard of Oz)