Nine Illuminating Quotes on Debugging

Here we present you a list of quotes about debugging programs by renowned developers and programmers from around the world.

Quote #1

Of all my programming bugs, 80% are syntax errors. Of the remaining 20%, 80% are trivial logical errors. Of the remaining 4%, 80% are pointer errors. And the remaining 0.4% are hard.

– Marc Donner, IBM Watson Research Center

Quote #2

It takes three times the effort to find and fix bugs in system test than when done by the developer. It takes ten times the effort to find and fix bugs in the field than when done in system test. Therefore insist on unit tests by the developer.

– Larry Bernstein, Bell Communications Research

Quote #3

Don’t debug standing up. It cuts your patience in half, and you need all you can muster.

– Dave Storer, Cedar Rapids, Iowa

Quote #4

Don’t get suckered in by the comments – they can be terribly misleading. Debug only the code.

– Dave Storer, Cedar Rapids, Iowa

Quote #5

Testing can show the presence of the bugs, but not their absence.

– Edsger W. Dijkstra, University of Texas

Quote #6

Each new user of a new system uncovers a new class of bugs.

– Brian Kernighan, Bell Labs

Quote #7

If it ain’t broke, don’t fix it.

– Ronald Reagan, Santa Barbara, California

Quote #8

[ The Maintainer’s Motto]

If we can’t fix it, it ain’t broke.

– Lieutenant Colonel Walt Weir, United States Army

Quote #9

The first step in fixing a broken program is getting it to fail repeatedly.

– Tom Duff, Bell Labs

What is your favourite quote? Please share your views and feedback in the comments.

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