No matter how much we desire certainty, predictability, and guaranteed results, the nature of human existence is fundamentally opposed to any attempt… - Josh Kaufman

Here’s Gall’s Law : all complex systems that work evolved from simpler systems that worked. Complex systems are full of variables and Interdependencies (discussed later) that must be arranged just right in order to function. Complex systems designed from scratch will never work in the real world, since they haven’t been subject to environmental selection forces while being designed.

It’s this simple: if I never try anything, I never learn anything.

There is only one boss: the customer. And he can fire everybody in the company from the chairman on down, simply by spending his money somewhere else. — SAM WALTON, FOUNDER OF WALMART A