62 Software testing quotes to inspire you

Exploring software testing quotes from industry leaders and experts can inspire and motivate professionals to continuously improve their skills and approach. These quotes can also serve as a reminder of the importance of testing in software development. By absorbing the wisdom and perspectives from them, professionals can deepen their comprehension of the testing process. This, in turn, can elevate their performance, guiding them toward delivering software products of superior quality. 

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Wisdom in testing

1. "A good tester prevents problems; a great tester finds them." Keith Klain, Director of Quality Engineering at KPMG UK
2. "In software testing, the earlier a bug is found, the cheaper it is to fix." Karen N. Johnson, independent software test consultant
3. "Quality is never an accident; it is always the result of intelligent effort." John Ruskin, English writer, philosopher, and art critic
4. "Testing is not responsible for creating quality; only for assessing it." Daniel J. Galin, Head of Information Systems Studies, the Ruppin Academic Center
5. "Testing is a skill. While this statement is obvious, it is profound in its implications." Bret Pettichord, Software Architect, Author, Open Source Contributor
6. "The job of testing is not to find bugs but to find features that don't meet the user's needs." Michael Bolton, consulting software tester and testing teacher
7. "The goal of a tester is to stop the software from shipping, not to find bugs." Michael Stahl, SW Validation Architect at Intel
8. "The art of software testing is to ensure that no bugs make it to production." Anonymous
9. "Testing can show the presence of bugs but never their absence." Edsger W. Dijkstra, Dutch computer scientist, programmer, and software engineer
10. "Testing is a skill that you can learn. It's more a mindset than a specific process." Janet Gregory, co-founder of the Agile Testing Fellowship

Importance of software testing quotes

11. "Testing is an infinite process of comparing the invisible to the ambiguous in order to avoid the unthinkable happening to the anonymous." James Bach, American software tester, author, trainer, and consultant
12. "If debugging is the process of removing software bugs, then programming must be the process of putting them in." Edsger W. Dijkstra, Dutch computer scientist, programmer, and software engineer
13. "Software is a great combination of artistry and engineering." Bill Gates, American businessman and co-founder of Microsoft
14. "The only way to do great work is to love what you do." Steve Jobs, American businessman and co-founder of Apple Inc.
15. "Good software testing is a challenging intellectual process." Cem Kaner, professor of software engineering at Florida Institute of Technology and the Director of Florida Tech's Center for Software Testing Education & Research
16. "Software is a great combination of artistry and engineering." Bill Gates, American businessman and co-founder of Microsoft
17. "Software developers are always testing as they build. Testers are always building as they test." Michael Bolton, consulting software tester and testing teacher
18. "Testing is a critical part of software development. Without testing, the software is likely to have defects." John Tukey, American mathematician and statistician
19. "Testing is a process that calls for repeatability, consistency, and attention to detail." Dave Kelly, CEO of 2iTesting
20. "Testing is not about finding all the bugs and defects. It's about finding the critical ones that matter." Anonymous

Challenges in testing

21. "Testing is like cleaning. It's only visible when you don't do it." Anonymous
22. "Testing is the process of evaluating a product by learning about it through exploration and experimentation." Michael Bolton, consulting software tester and testing teacher
23. "Testing is the only job where you can be happy for having your work rejected." Anonymous
24. "Testing is an infinite process of comparing the invisible to the ambiguous to avoid the unthinkable." James Bach, American software tester, author, trainer, and consultant
25. "Testing is not about making things go wrong; it's about finding out what could go wrong." Anonymous
26. "Testing is not about breaking software; it's about breaking illusions about the software." Anonymous
27. "Testing is not about proving something right but discovering where things go wrong." Michael Bolton, consulting software tester and testing teacher
28. "Testing is a process that should convince us that our software works, not just confirm that it doesn't." Jeff Patton, founder of Jeff Patton & Associates

Importance of automated testing

29. "The purpose of automated testing is to reduce the risk of failure of your application." Frank DeGeorge, Chief Technology Officer for Impact Networking
30. "Automation is good, so long as you know exactly where to put the machine." Eliyahu M. Goldratt, Israeli business management guru
31. "If you don't automate your testing process, you're driving your car with your eyes closed." Gwen Stewart, IT sector for L&G, Expedia, Microsoft, Amazon, and the BBC
32. "Automated testing is crucial for software quality." Julian Harty, senior test engineer at Google
33. "With automation tools, you can take the time to refine your tests and make them less brittle." Martin Fowler, British software developer and author
34. "The secret to scalable automation is making sure you’re testing the right thing at a high level." Lisa Crispin, Co-founder of the Agile Testing Fellowship
35. "Automating tests is like investing in a reliable credit score. Manual testing is like investing in a lucky rabbit’s foot." Brett Speckman, American Software Engineer and Project Manager 
36. "Automation is a bit like a cheat code for software testing; using this hack, you can practice agile testing without having to do it all manually." Torbjorn Gyllebring, CTO at Hubert
37. "Test automation isn't automatic; it requires a lot more thought and design than just recording a test script." Michael Bolton, consulting software tester and testing teacher
38. "Automation is an accelerator, not a replacement. It's about putting brains in your muscles." Chris Launey, Principal Engineer at Starbucks

Importance of manual testing

39. "Manual software testing will always be needed. Automating everything is impossible." Alan Page, ex-Microsoft’s Director of Test Excellence
40. "The best part of manual testing is that it can find something automated testing never will." Michael Bolton, consulting software tester and testing teacher
41. "Manual testing is like a fine wine that only gets better with time." Vijay Nair, Software Developer and engineer
42. "Manual testing is the act of exercising the software with the intent of finding bugs and vulnerabilities that may exist." Network Intelligence India
43. "Manual testing can uncover issues that automated tests would never find." David Cohn, writer and Contributing Editor to Digital Engineering
44. "Testing validates requirements, and manual testing provides the necessary feedback for requirements refinement and improvement." Rex Black, software engineer, entrepreneur, and an author in the field of software testing
45. "Manual testing is still the best way to catch the things that hackers catch." Curtis Melody, UX designer
46. "Manual testing enables us to tailor testing to your unique application needs." Michael Larsen, co-author of "Software Testing Strategies"
47. "Manual testing is the only way to verify that the business requirements are successfully met and the customer gets the desired experience." Priyanka Sharma, Senior Systems Software Engineer at NVIDIA

Importance of performance testing

48. "The purpose of performance testing is not to break the system but to improve the performance." Jamie Posey, manager for the APT Safety and Mission Assurance Support Services at Kennedy Space Center
49. "Performance testing is not about finding bugs but bottlenecks." Scott Barber, co-author of Performance Testing Guidance for Web Applications
50. "Performance testing helps identify the scalability bottlenecks and validate the non-functional requirements of the application." K.D. Khattar
51. "Performance testing is an art and science mixed together." Sujit Karpe, Co-Founder & CTO at iMocha
52. "Effective performance testing involves a combination of technical skill, common sense, and creativity." James Pulley, Chief Performance Officer at QA Consultants
53. "Performance testing allows you to find out how your application handles a variety of user scenarios." Naomi Karten, speaker, seminar leader, and author
54. "Performance testing helps organizations identify system performance bottlenecks and implement corrective measures before it's too late." Julian Harty, senior test engineer at Google
55. "Performance testing is a key process in ensuring your application is not only functional but also performs efficiently across different user scenarios." Pravin Jangale, Software Engineer at NCR Atleos

Why quality?

56. "Quality is not an act, it is a habit." Aristotle
57. "Quality is never an accident; it is always the result of high intention, sincere effort, intelligent direction and skillful execution; it represents the wise choice of many alternatives." William A. Foster, United States Marine
58. "In the race for quality, there is no finish line." David T. Kearns, an American businessman who was CEO of Xerox Corporation
59. "Quality is everyone's responsibility." W. Edwards Deming, an American business theorist
60. "Quality is more important than quantity. One home run is much better than two doubles." Steve Jobs, American businessman and co-founder of Apple Inc.
61. "Quality is not just meeting customer needs, it's also meeting future expectations." Masaaki Imai, Japanese organizational theorist and management consultant
62. "Quality is when the customer comes back, not the product." Hermann Tietz, German merchant and co-founder of the Tietz Department Store


Software testing quotes offer insightful perspectives on the importance of quality testing in software development and inspire professionals to strive for excellence in their work. By embracing these quotes and incorporating their meanings into their work, QA engineers can improve their ability to create and maintain high-quality and reliable software products that meet end-user expectations.

How can Global App Testing elevate the quality of your software?

Global App Testing specializes in providing various testing services to ensure your software functions correctly across different devices and environments. Here are some ways that we can elevate the quality of your software:

  • By utilizing a network of testers worldwide, we can conduct testing in diverse scenarios in real time, improving the software quality and user experience;
  • Professional testing teams with domain expertise can identify bugs and defects in the software that may cause performance issues or inhibit user experience, providing valuable feedback to the development team;
  • We offer comprehensive testing solutions using the latest technology and testing tools to ensure the highest quality of your software;
  • Partnering with us, app developers and business owners can save time and cost, allowing you to focus on core business activities while leaving testing to the professionals;
  • Improve software quality through ongoing testing practices and efficient bug reporting to ensure longevity and user satisfaction.
    If you want to learn more about how GAT can help you improve the quality of your software, sign up and set up a call with our team!
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