Assumption Quote by Peter Drucker
“The most probable assumption is that no currently working 'business theory' will be valid 10 years hence.”
About This Quote
Source Book: The Practice of Management, Peter Drucker, 1954
Business models become obsolete as technology and markets evolve, so long‑term planning must assume change.
In simple terms: Business ideas age quickly.
Plan for adaptability.
Themes
Mood
Type
When to use this quote
- startup planning
- product development
- career forecasting
- investment decisions
Key Concepts
Questions to Reflect On
- How can you build flexibility into your plans?
- What signals indicate a model is becoming outdated?
Assuming all change may cause paralysis.