Related:

• A rolling stone is better than a bird in the hand.
• A bird in the hand often leaves a sticky deposit. Perhaps it was better you left it in the bush with the other one.
• You have lots of mail
• Your mental health will be better if you have lots of fun outside of that office.
  -- Dr. William Menninge...
• Nasrudin was carrying home a piece of liver and the recipe for liver pie.
  Suddenly a bird of prey swooped down and snatched the piece of meat from his hand....
• A bird in the hand can be messy.