Related:

• There is no sadder sight than a young pessimist. -- Mark Twai
• There is no sadder sight than a young pessimist, except an old optimist.
  -- Mark Twain (Samuel Clemens) (1835-1910)...
• There is no sadder sight in the world, than to see a beautiful theory killed by brutal fact.
  -- Thomas Huxley, biologist (1825-1895)...
• Can anything be sadder than work left unfinished? Yes, work never begun.
• Don't ever become a pessimist, Ira; a pessimist is correct oftener than an optimist, but an optimist has more fun -- and neither can stop the march of events.
  -- Robert Heinlein, Time Enough For Love...
• It was love at first sight between the handsome libertine and the appealing young prostitute.
  He swept her off her back!...
• The birds are singing, the flowers are budding, and it is time for Miss Manners to tell young lovers to stop necking in public.
  It's not that Miss Manners is immune to romance. Miss Manners has been known to squeeze a gentleman's arm while being helped over a curb, and, in her wild youth, even to press a dainty slipper against a foot or two under the dinner table....