The Toyota Production System can be realized only when all the workers become tortoises. (Ohno, 1988) - Jeffrey K. Liker

Rather the power behind TPS is a company’s management commitment to continuously invest in its people and promote a culture of continuous improvement.

Basically people will do what upper management wants them to do. So if that's consistent, if they're not whipsawed and being governed by different priorities, they learn what is truly important and what is not….

Exceptional People and Exceptional Processes Must Go Hand in Hand