Teacher: Look at the sky very well
Students: we are looking sir
Teacher: OK,what do you see??
Teacher: did you see God?
Teacher: which means there is no God.
(After that,they went back to the class).
Teacher: Any question?
Class monitor: I have question sir
Teacher: yes go on
Class monitor: sir can you please remove your cap?
Teacher: of course,yes
Class monitor: look at his head very well and tell me what you see
Students: we can see his hair,skin and so on
Class monitor: did you see his brain??
Class monitor: which means our teacher has no brain ( Teacher fainted)