Diana Mertz Hsieh – “Dursley Duplicity: The Morality and Psychology of Self-Deception”

Honesty and persistence in the pursuit of knowledge has long been a central moral idea of Western philosophy.

(from Harry Potter and Philosophy edited by David Bagget and Shawn E. Klein)

Key Lessons on Self-deception:

  1. Self-deception cannot insulate a person from disturbing reminders of the truth.
  2. Self-deception often will spread beyond the original denial to related issues.
  3. Self-deception easily becomes a habitual method of avoiding painful truths.

Books in this paper

  • David Nyberg, The Varnished Truth: Truth Telling and Deceiving in Ordinary Life
  • Robert Solomon, What a Tangled Web: Deception and Self-Deception in Philosophy
  • David Goleman, Vital Lies, Simple Truths
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