Related:

• Imbesi's Law with Freeman's Extension: In order for something to become clean, something else must become dirty
  but you can get everything dirty without getting anything clean....
• In order for something to become clean, something else must become dirty.
  -- Imbesi's Law of the Conservation of Filth . . ....
• To get something clean, one has to get something dirty.
  To get something dirty, one does not have to get anything clean....
• Can you remember when the air was clean and sex was dirty?
• 9. Anything worth fighting for is worth fighting dirty for.
  -- One of 21 Thoughts to Get You Through Almost Any Crisi...
• ... you can do anything you want, but not everything you want.
• Taxes, n.: Of life's two certainties, the only one for which you can get an extension.