"A cardinal principle in systems theory is that all parties that have a stake in a system should be represented in its management."

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There's a subtle reason that programmers always want to throw away the code and start over. The reason is that they think the old code is a mess. [...] The reason that they think the old code is a mess is because of a cardinal, fundamental law of programming: It's harder to read code than to write it.

— Joel Spolsky