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Habits Quote by Agatha Christie

“I joke, mademoiselle," he said, "and I laugh. But there are some things that are no joke. There are things that my profession has taught me. And one of these things, the most terrible thing, is this: murder is a habit...” quote by Agatha Christie
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““I joke, mademoiselle," he said, "and I laugh. But there are some things that are no joke. There are things that my profession has taught me. And one of these things, the most terrible thing, is this: murder is a habit...””

Agatha Christie

About This Quote

Source Book: The Murder of Roger Ackroyd by Agatha Christie, 1926

Murder becomes a routine, desensitizing habit for professionals, highlighting the moral decay of repeated violence.

In simple terms: Repeated killing dulls conscience.

Key Takeaway

Recognize and break harmful habits.

Themes

crime morality psychology

Mood

grim reflective

Type

cautionary literary

When to use this quote

  • detective work
  • law enforcement
  • military service
  • journalism

Key Concepts

habit formation ethical erosion

Questions to Reflect On

  • How does routine violence affect empathy?
  • Can one unlearn a deadly habit?
A Different Perspective

Even if murder is habitual, societal laws still punish it.

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