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

If you're not stubborn, you'll give up on experiments too soon. And if you're not flexible, you'll pound your head against the wall and you won't see a different solution to a problem you're trying to solve.
Your purpose is to identify where in the process things go wrong, not who messed up. Look for systemic causes, not culprits.
Improvement of Quality and Productivity, to be successful in any company, must be a learning process, year by year, top management leading the whole company.