Once you get people laughing, they're listening and you can tell them almost anything.

Related:

• Numbers are like people;
  torture them enough and they'll tell you anything...
• Don't always think that eveybody is laughing at you -
  that way, when they *are* laughing at you, you won't...
• You can do *anything* once! -
  Paul...
• There are some people that, if they don't know, you can't tell them.
  You can tell a teacher as far as you can see one,...
• Be wiser than other people if you can, but do not tell them so.
  Lord Chesterfield (to his...
• Americans are big boys. You can talk them into almost anything.
  Sit with them for half an hour over a bottle of whiskey...
• It's not what you tell people,
  it's what you show them...
• Do you believe the Washington Monument looks anything like George Washington?
  Brother Dave...
• In the morning, laughing, happy fish heads In the evening,
  floating in the soup. (chorus): Fish heads, fish heads...