Management, business, leadership and investing quotes and many other famous quotes

The only way to find out what will happen when a complex system is disturbed is to disturb the system, not merely to observe it passively.
A tightrope over a chasm is fine for a trained acrobat with a balancing pole. It is foolish for someone without the right training or tools. They would be better served with something else - a rope bridge with railings.
Your purpose is to identify where in the process things go wrong, not who messed up. Look for systemic causes, not culprits.