David Parnas famous quotes

Last updated: Sep 5, 2024

Copy and paste is a design error.
-- David Parnas

#Funny Inspirational #Errors #Design
Find the simplest model that is not a lie is the key to better software design.
-- David Parnas

#Lying #Keys #Design
One bad programmer can easily create two new jobs a year.
-- David Parnas

#Jobs #Years #Two
When someone builds a bridge, he uses engineers who have been certified as knowing what they are doing. Yet when someone builds you a software program, he has no similar certification, even though your safety may be just as dependent upon that software working as it is upon the bridge supporting your weight.
-- David Parnas

#Bridges #Knowing #Safety
My judgment is that research in 'Star Wars' is going to fail, and I believe this so strongly that I'm willing to stake my professional reputation on this. I don't believe anybody is going to build this thing.
-- David Parnas

#Stars #War #Believe
There are no standards for computer programmers and no group to certify them.
-- David Parnas

#Groups #Computer #Standards
Whenever anyone says, 'theoretically', they really mean, 'not really'.
-- David Parnas

#Mean #Science #Really Mean
Many spend their time berating practitioners for not applying their method. We all need to disseminate our ideas, but most of our time should be spent applying and improving our methods, not selling them. The best way to sell a mouse trap is to display some trapped mice.
-- David Parnas

#Ideas #Way #Needs
As a rule, software systems do not work well until they have been used, and have failed repeatedly, in real applications.
-- David Parnas

#Real #Computer #Used
I have found that the reason a lot of people are interested in artificial intelligence is the same reason a lot of people are interested in artificial limbs: they are missing one.
-- David Parnas

#People #Missing #Reason

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