First law: The pesticide paradox. Every method you use to prevent or find bugs leaves a residue of subtler bugs against which those methods are ineff…

- Boris Beizer

If you can't test it, don't build it. If you don't test it, rip it out.

- Boris Beizer

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

- Boris Beizer

Software never was perfect and won't get perfect. But is that a license to create garbage? The missing ingredient is our reluctance to quantify quali…

- Boris Beizer

Second law: The complexity barrier. Software complexity (and therefore that of bugs) grows to the limits of our ability to manage that complexity.

- 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…

- Boris Beizer

One of the saddest sights to me has always been a human at a keyboard doing something by hand that could be automated. It's sad but hilarious.

- Boris Beizer

Testing proves a programmer’s failure. Debugging is the programmer’s vindication.

- Boris Beizer

A test that reveals a bug has succeeded, not failed.

- Boris Beizer