There was once a Bald Man who sat down after work on a hot summer's
day. A Fly came up and kept buzzing about his bald pate, and stinging
him from time to time.
The Man aimed a blow at his little enemy, but his palm came on his
head instead; again the Fly tormented him, but this time the Man was
wiser and said:
"You will only injure yourself if you take notice of despicable
enemies."