Tips for Lean Managers

Reflection (Hansei) is the Noblest Teacher

By Jon Miller Published on October 30th, 2006

Hansei is a Japanese word meaning “reflection” as in reflecting on ideas or experiences in order to learn from successes or failures to improve oneself in the future. It is a key step in kaizen, both personal improvement and for process improvement activity in business.
Taiichi Ohno liked to say “Check is hansei”. The “check” step of PDCA (Plan, Do, Check, Act) is an opportunity to reflect and learn before the Act / Adjust step in the PDCA cycle.
The quote of the day is attributed to Confucius, that people come to wisdom in three ways:
“First, by reflection, which is noblest; second, by imitation, which is easiest; and third by experience, which is the bitterest.”
“Experience is the best teacher” as the saying goes, but the superior student combines imitation and experience with hansei. Experience without hansei can result in the “bitter” repetition of the same lesson.

  1. Yuriska

    November 27, 2006 - 8:49 pm

    Is there any university or institute about hansei in japan?

  2. Jon Miller

    November 27, 2006 - 8:53 pm

    I would say almost certainly not. Perhaps a Buddhist university would teach this as part of the overall philosophy of life. It is not so much a business practice as a way of thinking about life and one’s place in the world.

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