It has been said that idleness is the parent of mischief, which is very true; but mischief itself is merely an attempt to escape from the dreary vacuum of idleness.
Bio: Wolfgang Langewiesche aviator, author and journalist, is one of the most quoted authors in aviation writing. His book, Stick and Rudder, is still in print, and is considered a primary reference on the art of flying fixed-wing aircraft.