John: Do you know how we can make varnish disappear?
Joseph: No. How can we make it disappear?
John: Just remove the letter "r" and it will vanish!
"Why is your book so old?"
"What do you expect, it's my history book!"
Why did the barber win the race?
Because he took a short-cut!
Why shouldn't you tell jokes to an egg?
Because it may crack up!