Little Johnny had just learn his ABCs and was scared of doing them in front of his class.

The teacher told him that the best way to conquer his fears would be to just go ahead and do it. Trembling, he stood in front of the class and began, "abcdefghijklmnoqrstuvwxyz."

"Very good Johnny," the teacher said. "Only you forgot the 'p.'"

Johnny replied, "Don't you see it running down my leg?"