The Problem With...

The Problem With Being Honest: Ian Leslie

31 snips
Apr 14, 2026
Ian Leslie, bestselling author and journalist who studies psychology and creativity, argues that lying is an evolutionary feature tied to intelligence and art. He discusses why honesty is hard to handle, how deception fuels creativity and online group lies, the links between childhood lying and theory of mind, and why trust must exist before brutal feedback will land.
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INSIGHT

Lying As An Evolutionary Feature

  • Lying is an evolutionary feature tied to intelligence and creativity.
  • Ian Leslie argues deception helped build big brains and is entangled with imagination and art.
INSIGHT

Child Lying Indicates Cognitive Milestones

  • Lying in children signals cognitive development and theory of mind emergence.
  • Ian Leslie notes kids typically begin lying convincingly around four, with non-lying possibly indicating autism-related theory of mind differences.
INSIGHT

Lies Collapse Under Cognitive Load

  • Lying adds cognitive load because liars juggle reality, a fictional version, and the listener's beliefs.
  • Interrogators exploit this by increasing cognitive load or asking stories backwards to expose liars.
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