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Marriage Quote by Agatha Christie

“You do think you know about everything," said her husband. I do," said Tuppence.” quote by Agatha Christie
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““You do think you know about everything," said her husband. I do," said Tuppence.””

Agatha Christie

About This Quote

Source Novel: The Secret Adversary, 1922

A character admits knowing everything, prompting a witty exchange.

In simple terms: A dialogue reveals confidence and banter.

Key Takeaway

Use confident dialogue to develop character dynamics.

Themes

dialogue confidence humor

Mood

playful sharp

Type

literary conversational

When to use this quote

  • novel writing
  • screenplay
  • playwriting
  • radio drama

Key Concepts

character interaction wit knowledge

Questions to Reflect On

  • How does confidence shape a character’s perception?
  • What balance of wit keeps dialogue engaging?
A Different Perspective

Over‑confidence can make characters unrelatable.

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