JOHN GALL

 
A complex system that works is invariably found to have evolved from a simple system that worked.
- John Gall
A complex system that works is invariably found to have evolved from a simple system that worked…A complex system designed from scratch never works and cannot be patched up to make it work. You have to start over with a working simple system.
- John Gall - from "Systemantics: How Systems Really Work and How They Fail"