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Gall's Law

John Gall · 1975

"Gall's law states that a complex system that works is invariably found to have evolved from a simple system that worked — so starting with a complex spec and hoping it works on day one is the most common path to expensive failure."

The idea

John Gall opened Systemantics with a one-liner engineers quote weekly: a complex system that works always evolved from a simple system that worked.

Why it works
The takeaway — recall it first
Further reading

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