Some people will believe anything if you whisper it to them.

Related:

• Some people will believe anything if you whisper it to them.
  Louis...
• People will believe anything if you
  whisper it...
• No matter how weird or absurd, if you whisper it,
  people will believe it...
• A graceful taunt is worth a thousand insults. --
  Louis...
• A graceful taunt is worth a thousand insults. --
  Louis...
• People who believe, "If you can't say anything nice,
  don't say anything at all," will refuse to talk to...
• Numbers are like people;
  torture them enough and they'll tell you anything...
• I know of no higher fortitude than stubbornness in the face of overwhelming odds.
  Louis...
• Some people wouldn't be happy if you hung them with
  a new rope...