You Can't Out-talk A Man Who Knows What He's Talking About. -- Hutchins' Law

Related:

• A diplomat is a person who: + -always knows what to talk about, but doesn't always talk about what he knows.
  + -always tries to settle problems created by other diplomats....
• It's hard to argue with someone who knows what he's talking about.
• I distrust a close-mouthed man. He generally picks the wrong time to talk and says the wrong things.
  Talking's something you can't do judiciously, unless you keep in practice....
• Bore: A man who spends so much time talking about himself that you can't talk about yourself.
  -- Melville D. Lando...
• Don't talk to me about a man's being able to talk sense
  everyone can talk sense- can he talk nonsense? -- William Pitt the Elde...
• What nonsense people talk about happy marriages! A man can be happy with any woman so long as he doesn't love her.
  -- Wilde...
• Translations from the Wife: "I don't know what you're talking about.
  / She knows exactly what you're talking about. "It isn't what you said, it's the way you said it....
• A man is accepte into a church for what he believes and he is turned out for what he knows.
  -- Mark Twai...