It ain't over until it's over. --

Related:

• Managing is getting paid for home runs someone else hits.
  Casey...
• The trick is growing up without growing old. --
  Casey...
• They say you can't do it, but sometimes that isn't always true.
  Casey...
• We are in such a slump that even the ones that aren't drinkin' aren't hittin'.
  Casey...
• It's not over until Milli Vanilli
  sings...
• It's not over until the final whistle
  blows...
• Software designers do it over and over until they get
  it right...
• After winning the pennant one year, Casey Stengel commented,
  "I couldn'ta done it without my players...
• All right everyone, line up alphabetically according to your height.
  Casey...