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

the performance of the whole is never the sum of the performance of the parts taken separately, but it's the product of their interactions.
At a car dealership, the person who sells the car is the hero, and also gets the commission. But if the mechanics don't service that car well, the customer won't return.
Your purpose is to identify where in the process things go wrong, not who messed up. Look for systemic causes, not culprits.