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

Having no problems is the biggest problem of all.
Toyota's real achievement is not merely the creation and use of the tools themselves; it is in making all its work a series of nested, ongoing experiments, be the work as routine as installing seats in cars or as complex, idiosyncratic, and large scale as designing and launching a new model or factory.
Your purpose is to identify where in the process things go wrong, not who messed up. Look for systemic causes, not culprits.