“go and see for yourself to thouroughly understand the situation”
Taiichi Ohno, creator of the Toyota Production System is credited, perhaps apocryphally, with taking new graduates to the shopfloor and drawing a chalk circle on the floor. The graduate would be told to stand in the circle and to observe and note down what he saw. When Ohno returned he would check and if the Graduate had not seen enough he would be asked to keep observing. Ohno was trying to imprint upon his future engineers that the only way to truly understand what happens on the shopfloor was to go there. It was here that value was added and here that waste could be observed. […] Since real value is created at the shopfloor in manufacturing, this is where management need to spend their time.