14 Quotes by Boris Beizer

If the objective of testing were to prove that a program is free of bugs, then not only would testing be practically impossible, but it would also be theoretically impossible.

A design remedy that prevents bugs is always preferable to a test method that discovers them.

Extra features were once considered desirable. We now recognize that ‘free’ features are rarely free. Any increase in generality that does not contribute to reliability, modularity, maintainability, and robustness should be suspected.

A good threat is worth a thousand tests.

In programming, it’s often the buts in the specification that kill you.