Related:

• You can fool some of the people all of the time, and all of the people some of the time, but you can make a fool of yourself anytime.
• You can fool some of the people all of the time and all of the people some of the time, but you can never fool your Mom.
• You can fool all of the people some of the time; you can fool some of the people all of the time
  and that should be sufficient for most purposes....
• You can fool some of the people some of the time, and some of the people all of the time, and that is sufficient.
• You can fool some of the people all of the time and all of the people some of the time, and that is sufficient.
  -- Murphy's Thirteenth Law...
• You can fool all of the people some of the time, and some of the people all of the time, but you Can't Fool Mum.
  -- Captain Penny's Law...
• Captain Penny's Law: You can fool all of the people some of the time, and some of the people all of the time, but you Can't Fool Mom.