Teacher and Little Johnny Joke

The Teacher asked Little Johnny a question..

Teacher : do you know Napolean?"

Little Johnny : answered, "NO! Sir"

Teacher : What about Adolf Hitler?''

Little Johnny : No sir..!

Teacher : your work is only playing and you don't concentrate on your studies..!"

Little Johnny : why should I concentrate on people who Died like a Hundred years ago? and do you Know Mike ?''

Teacher : No, whats the point of knowing Him and yet He isn't part of the school syllabus??

Little Johnny : "Yes you should vividly know him. when you are Busy with people who died Long ago, this is the man who have been sleeping with your wife..!"