Atom Bomb : An invention to end all inventions.
Boss : Someone who is early when you are late and late when you are early.
Cigarette : A pinch of tobacco rolled in paper with fire at one end and a fool on the other.
Etc. : A sign to make others believe that you know more than you actually do.
Experience : The name men give to their mistakes.
Opportunist : A person who starts taking a bath if he accidentally falls into a river.
Optimist : A person who while falling from Eiffel tower says midway "See I am not injured yet."
Smile : A curve that can set a lot of things straight.
Tears : The hydraulic force by which masculine will-power is defeated by feminine water power.