I often regret that I have spoken; never that I have been silent.
Laura: I wish you’d stop talking. I wish you’d stop prying and trying to find things out. I wish you were dead – no, I don’t mean that. It was silly and unkind, and I shouldn’t have said it. But I do wish you’d stop talking.
Lisa: It is better to remain silent and be thought the fool, then to open your mouth and remove all doubt.
Homer’s Brain: Uh-oh, what did that mean? Better say something or they’ll think you’re stupid.
Homer: Takes one to know one!
Homer’s Brain: Swish!
Carl: Let’s play “Who Can Be Quiet The Longest.”
Russell: Cool! My mom loves that game!
No one has a finer command of language than the person who keeps his mouth shut.
Always do sober what you said you’d do drunk. That will teach you to keep your mouth shut.
This quote is attributed / unsourced.
Sherlock Holmes: Shut up.
Lestrade: I didn’t say anything.
Sherlock Holmes: You were thinking. It’s annoying.