
Changing Minds with Owen Fitzpatrick Radical Thinking: Why Certainty Can Blind Us
Oct 20, 2025
Dr. Peter Lamont, a psychology professor at the University of Edinburgh and former magician, discusses his book Radical Thinking. They explore why critical thinking isn’t enough and the importance of epistemic humility in conversations. Peter reveals how historical context shapes beliefs and why intelligent people adopt strange beliefs. He highlights effective persuasion techniques and shares a pragmatic framework for applying radical thinking. The conversation wraps up with insights on self-help's evolution and memorable rapid-fire questions.
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Root-Focused Thinking
- Peter Lamont defines "radical thinking" as tracing the roots of beliefs rather than focusing on outcomes.
- He uses 'radical' (radic = root) to emphasize examining foundations of what we think.
Humility Over Certainty
- Epistemic humility means your beliefs rest on limited notice and interpretation.
- Peter Lamont stresses scientific claims are partial, provisional, and based on best available evidence.
Science Is A Process, Not Finality
- Scientific knowledge arises from processes of observation, testing, and interpretation.
- Good science assumes falsifiability and accepts change when new data appear.













