juha jokes

Friend asked juha : juha , I heard that you have a barrel of thirty year old vinegar. Is it true?
juha answered : Yes i have .
Friend said : Can you give  some vinegar?
juha : No ; i can't , and it's impossible
Friend : Why not my freind juha?
juha said : because, it’s just the principal of the matter.
Friend: What do you mean? What this  principle?
juha answered : The principle that if I had given some vinegar to everyone who asked me for some, I would not have any thirty year old vinegar.
friend : oohh yes , you are right juha.