A man goes into his favorite deli where the waiter immediately brings his regular order: a bowl of matzo ball soup. The customer signals the waiter to come back.
"Taste the soup!" he commands.
"Why?" inquires the surprised waiter.
"Taste the soup!" comes the reply.
"Max, you've been coming in here every day for ten years. There's never been anything wrong with the soup."
"Taste the soup!"