Related:

• A pencil with no point needs no eraser.
• You can drive a horse to water, but a pencil must be lead.
• A putt that stops close enough to the cup to inspire such comments as "you could blow it in" may be blown in.
  This rule does not apply if the ball is more than three inches from the hole, because no one wants to make a travesty of the game....
• or I'll fill you so full of lead we could sharpen your head and call you a pencil!
  -- Amy to Edmund : Amy and Amiability...
• You fool! That's the History Eraser Button!!!