“Data is of course important, but I put greater emphasis on facts.”

Taiichi Ohno

Observe one process. Record what actually happens.

“Learning is not compulsory; it’s voluntary. Improvement is not compulsory; it’s voluntary. But to survive, we must learn.”

W. Edwards Deming

Write one hypothesis. Decide what evidence could change your mind.

“It’s easier to act your way to a new way of thinking than to think your way to a new way of acting.”

John Shook

Try one small change. Check the result before expanding it.

“there is no kaizen without standards.”

Taiichi Ohno

Make today’s best-known method visible.

“Without theory, one has no questions to ask. Hence, without theory, there is no learning”

W. Edwards Deming

State what you expect, then test it.

“there is no maintenance of standards without kaizen.”

John Shook

Review the standard when better evidence arrives.