Related:

• Do not count your chickens before they are hatched. -- Aesop
• Never count your chickens before they rip your lips off
• Never count your chickens before they rip your lips off.
• Many count their chickens before they are hatched; and where they expect bacon, meet with broken bones.
  -- Miguel de Cervantes (1547-1616) -- Don Quixote, Part ii, Book iv, Chap. lv...
• Blew the hatch before the lock sealed.
• Don't count your bridges before you burn them.
• How many chickens -- does it take to screw in a light bulb?
  Just one, and she'll screw it in as soon as she decides it isn't going to hatch....