Giraffes are selfish

Someone at work mentioned her child was asking about giraffes and that reminded me of one of my favorite phrases from The Andy Griffith Show:

"...Boy, giraffes are selfish, just run around looking out for number one, getting hit by lightning..."

From Episode #93, "Dogs, Dogs, Dogs"
home.hiwaay.net/~thefanns/barnisms.htm

and I thought giraffes were insincere