He used the Japanese words: Muri, waste through unreasonableness; Mura, waste through inconsistency; and Muda, waste through outcomes. These ideas are highly aligned with Deming’s PDCA cycle, which I wrote about earlier: Plan, Do, Check, Act. Plan means avoid Muri. Do means avoid Mura. Check means avoid Muda. Act means the will, motivation, and determination to do all that.