Engineer: a person who knows a great deal about very little and who goes along knowing more and more about less and less, until finally he knows practically everything about nothing.... ;->
two frn are talking to each other
1st: kal tumhare pati pipe se apne flat mai ja rahe the.
2nd:haan pairon mai plaster k baad doctor ne unhe seediyan[stairs] chadne se mana kiya hai