General Thinking & Meta-Models
Section 1
Core Idea
Planck's principle — often paraphrased as "science advances one funeral at a time" — holds that new ideas rarely win by converting their opponents. Instead, the old guard retires or dies, and a new generation grows up taking the new framework for granted. Max Planck observed this about physics, but the dynamic is universal: people who built their career, identity, and status on an existing paradigm have enormous psychological and economic incentives to defend it. Changing a mind requires the mind's owner to admit years of wasted effort, lost status, and mistaken judgement. Most will not. Founders encounter this everywhere — in industries, boards, and their own organisations — and the strategic implication is clear: don't waste resources persuading entrenched incumbents. Win the next generation instead.
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Section 2
How to See It
Market entry
You're seeing it when incumbent executives dismiss a new technology their own engineers are excited about. The resistance is generational, not analytical.
Organisational change
You're seeing it when a strategic shift only takes hold after the original leadership rotates out. The idea was sound; the blockers were people, not logic.
Industry adoption
You're seeing it when a technology wins not by converting sceptics but by outlasting them — new buyers, new decision-makers, new defaults.
Section 3
How to Use It
When facing entrenched resistance, stop investing in conversion and start investing in adoption by the next cohort. Target new entrants, younger decision-makers, and greenfield markets. In your own organisation, watch for the same dynamic: senior leaders who resist change not on evidence but on identity. Design succession and rotation to prevent Planck's problem from calcifying your own company.
Decision filter
"Am I trying to convert an entrenched opponent — or should I route around them and win the next generation of decision-makers?"
As a founder
Stop burning resources persuading industry incumbents who will never adopt. Target the next generation of buyers, hire people native to the new paradigm, and design internal rotation so your own organisation doesn't ossify around yesterday's assumptions.
Section 5
Founders & Leaders
Richard FeynmanPhysicist; Nobel laureate; author, Surely You're Joking, Mr. Feynman!
Feynman witnessed Planck's principle firsthand in quantum electrodynamics. Older physicists resisted the new formalism not because the math was wrong but because it violated their trained intuitions. Feynman didn't waste time converting them — he taught the next generation, wrote accessible explanations, and let the work speak through results. For founders, the lesson is about resource allocation in the face of paradigm resistance. Entrenched incumbents — whether industry executives, regulators, or your own senior team — often resist not because your evidence is weak but because acceptance threatens their identity and sunk investments. The efficient move is to route around them: sell to the next generation of buyers, hire people native to the new paradigm, and let adoption compound while resistance retires. Persuasion has limits; generational turnover does not.
Section 7
Connected Models
Reinforces
Paradigm Shift
Paradigm shifts describe the what — a wholesale replacement of the reigning framework. Planck's principle describes the how — it happens through generational replacement, not persuasion.
Reinforces
Status Quo Bias
Status quo bias is the individual mechanism Planck's principle operates through. People prefer what exists because change threatens identity, status, and sunk investment.
Reinforces
Semmelweis Reflex
The Semmelweis reflex — rejecting evidence that contradicts established norms — is Planck's principle at the individual level. The reflex is why funerals, not arguments, advance science.
Section 8
One Key Quote
— Max Planck, Scientific Autobiography (1949)"A new scientific truth does not triumph by convincing its opponents and making them see the light, but rather because its opponents eventually die."
Section 11
Summary & Further Reading
Planck's principle: new ideas win not by converting opponents but by outlasting them. Entrenched incumbents resist change for identity and economic reasons. Route around them and win the next generation.
01
Book
The definitive account of how paradigms form, resist change, and eventually break.
02
Book
Planck's own reflections on how scientific truth advances through generations.
03
Book
Feynman on intellectual honesty and navigating resistance to new ideas.