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.

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

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.

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 quality.

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

A good threat is worth a thousand tests.

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