A complex system that works is invariably found to have evolved from a simple system that works. — John Gaule

A complex system that works is invariably found to have evolved from a simple system that works.

Author: John Gaule

Insight: We tend to romanticize breakthrough moments—the sudden invention, the genius flash of insight. But if you actually look at how things work in the real world, the pattern is almost always messier and more gradual. The smartphone didn't spring fully formed from someone's head. It evolved from simpler phones, which evolved from even simpler communication devices. Your body's immune system didn't arrive complete. It started basic and became intricate over millions of years because that basic version actually solved a real problem. This matters because it reframes how we should approach building anything—whether that's a business, a skill, a relationship, or a personal system. The pressure to start perfect is partly why people don't start at all. But the real insight here is that complexity that actually works has almost always been tested and refined countless times. It's built on something that was already functional. So the unglamorous version—start simple, make it work, then add what's genuinely needed—isn't a limitation. It's the only reliable way complex things actually get built to last.

Source: Systemantics: How Systems Work and Especially How They Fail, p. 71, 1975