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.... ;->
Height of preence of mind...
Once a teacher asked student "Tell the bird''s name by seeing its legs".
Student replied ," I cannot tell".
Teacher said "You are fail,What''s your name?".
Student replied ...... "See my legs and tell my name"