Related:

• Open your mind before you open your mouth.
• Keep your mouth shut and people will think you stupid; Open it and you remove all doubt.
• Lisa: I don't see how you can support Proposition 24, Dad.
  Homer: Open your eyes, Lisa! Our schools are so jam-packed with immigrants, people like Bart have lost the will to learn!...
• They're serving burgers in the back... If you go for burgers, you'll love the burgers here.
  They have some burgers in this place, when you open your mouth you know, you hold'em like this, and go way in the back where nobody can see you....
• Many people write memos to tell you they have nothing to say.
• A guy walked into a bar and said to the bartender, "Since when did you have sawdust on the floor?
  That's not sawdust," the bartender said. "It's last night's furniture." -- Joey Adam...
• What do you have to say that is worth listening to?