Assuming Quote by Daniel Kahneman
“The planning fallacy is that you make a plan, which is usually a best-case scenario. Then you assume that the outcome will follow your plan, even when you should know better.”
About This Quote
Source Book: Thinking, Fast and Slow, 2011
The planning fallacy describes the tendency to underestimate task duration and overestimate success by assuming ideal conditions, ignoring past evidence.
In simple terms: People often plan too optimistically, ignoring realistic constraints.
Plan with realistic buffers.
Themes
Mood
Type
When to use this quote
- business projects
- personal goals
- event planning
- software development
Key Concepts
Questions to Reflect On
- How can you incorporate past project data into new plans?
- What safeguards prevent overoptimistic forecasts?
Mitigating bias requires data and past experience.