More to the first quote than just being amusing . . .

"On the Internet, nobody knows you're a dog."
-- Peter Steiner

"Every man is wise when attacked by a mad dog; fewer when pursued by a mad woman; only the wisest survive when attacked by a mad notion."
-- Robertson Davies

"I believe that professional wrestling is clean and everything else in the world is fixed."
-- Frank Deford

"I wish people who have trouble communicating would just shut up."
-- Tom Lehrer