Related:

• Instead of crying over spilt milk go milk another cow.
• It's no use crying over spilt milk; it only makes it salty for the cat.
• It's no use crying over spilt milk, because all the forces of the universe were bent on spilling it.
  -- William Somerset Maugham (1874-1965)...
• Don't cry over spilt milk
• Don't cry over spilt milk, let the cat in to enjoy your misfortune.
• There is no use crying over distilled milk. -- My Grandso
• It is fruitless to become lachrymose over lacteal fluid that is inadvertenly flowing and hence forfeited.
  [ don't cry over spilt milk. ]...
• Never cry over spilt milk. It could've been whiskey. -- "Pappy" Maverick (in Maverick)