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About this quote

What does it mean?
Chesterton defines a sane person as one who recognizes their own contradictions and madness, unlike materialists who view the world as simple and solid like a madman who thinks he is sane.
In plain terms
A sane person knows they have madness inside them.
What can you take from it?
True sanity involves recognizing your own flaws and contradictions.

Where it applies

  • reflecting on character
  • understanding human nature

Putting it to work

  • practicing self-reflection
  • avoiding arrogance

Questions to consider

  • Can you be sane without admitting you are mad?
  • Is certainty a sign of madness?

Another view

The definition of sanity here is circular and subjective.

More from Gilbert Keith Chesterton

  1. There is a very special sense in which materialism has more restrictions than spiritualism. Mr. McCabe thinks me a slave because I am not allowed to believe in…

    Permalink to quote #119
  2. Materialists and madmen never have doubts.

    Permalink to quote #121
  3. The materialist philosophy (whether true or not) is certainly much more limiting than any religion. In one sense, of course, all intelligent ideas are narrow. …

    Permalink to quote #118

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