Absence Quote by Edsger Dijkstra
“Program testing can be used to show the presence of bugs, but never to show their absence!”
About This Quote
Testing can reveal bugs but can never prove their absence, highlighting limits of verification.
In simple terms: Tests find bugs, not prove none.
Key Takeaway
Use testing alongside formal verification.
Themes
software quality
testing
limitations
verification
Mood
analytical
cautious
Type
technical
philosophical
When to use this quote
- software development
- quality assurance
- project planning
Key Concepts
formal methods
risk assessment
Questions to Reflect On
- How do you balance testing and verification?
- What risks remain after testing?
A Different Perspective
Overreliance on testing may miss hidden defects.
![“Please don't fall into the trap of believing that I am terribly dogmatical about [the goto statement]. I have the uncomfortable feeling that others are making a religion out of it, as if the conceptual problems of programming could be solved by a single trick, by a simple form of coding discipline!” quote by Edsger Dijkstra](https://sms4smile.com/quotes/img-quotes/6ad/edsger-dijkstra-5102_believe_please-don-t-fall-into-the-trap-of-belie_167695.jpg)
