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.
Your purpose is to identify where in the process things go wrong, not who messed up. Look for systemic causes, not culprits.
A manager's task is to make the strengths of people effective and their weakness irrelevant - and that applies fully as much to the manager's boss as it applies to the manager's subordinates.