Based on the concept that "the urge to contribute is a human instinct", to seek human ways of living and how they can be put into practice.


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“The urge to contribute is present as a human instinct.” It is the origin of Homo Contribuens Research and Development Institute.

English Edition

takibook2 “Homo Contribuens: The Needs to Give and the Search for Fulfilment”

By Hisao Taki (Author)
Publisher: Renaissance Books, England (September 25, 2008)

Here are the thoughts of a successful businessman and entrepreneur reflecting on the meaning of life that offers humanity a new and dynamic self-awareness as a natural ‘giver’ and thus an assured pathway to personal fulfilment, hence the title ‘Homo Contribuens’ – ‘man the giver’. In fact, the realization that there is an innate need to give, argues Taki, liberates the individual and takes that person beyond the conventional understanding of altruistic behaviour. He recalls his own ‘epiphany’ in this regard, having been close to death himself, together with the death of a close school friend who in his last months embraced life with such vigour and conviction that he became an inspiration, prompting the author to recognize similar aspirations in himself and ultimately leading to the formulation of his own philosophy which he sets out in this book. ‘In conventional ethical thinking…the urge to contribute is seen as a learned or acquired ‘virtue’. But when considered instead as an instinct, our urge to act in the interest of others becomes no more worthy of either praise or censure than our hunger, our sex drive, or any of our other instinctive desires and compulsions. This understanding of the desire to be useful as a natural, innate part of being human, essentially neither good nor bad, is the catalyst for a whole new outlook on life.’ This important new insight into the nature of human existence will be an inspiration to many in all walks of life, regardless of age, race or creed.

About the Author:

Hisao Taki is a graduate of the School of Science and Engineering at the Tokyo Institute of Technology. He has successfully established a number of companies relating to transit advertising and IT, including the restaurant search site Gurunavi Inc., today listed on the Tokyo stock exchange. In 2003, he established  Homo Contribuens Research and Development Institute in Japan. The original Japanese edition of this book (Koken suru Kimochi) is cited in the 2006 Kobundo’s Encylopaedia of Philosophy and Ethics (Gendai Rinrigaku Jiten). Hisao Taki is also involved in a number of social and supportive activities in the community, including assisting students attending art schools overseas, as well as providing financial support for children of people employed in transportation-related businesses. He lives in Tokyo with his wife Hiroko and daughter Kikuko.

Thoughts on “Homo Contribuens”

For beginners, you can read essential thoughts on “Homo contribuens” interpreted by the author himself for free. The volume is about 5 pages of a paperback, and it will not take much time to read it.

To Read Thoughts on “Homo Contribuens”


Japanese Edition (Original)

takibook1 “Homo Contribuens (Koken suru Kimochi)”

By Hisao Taki (Author)
Publisher: Kinokuniya Company Ltd., Japan (May 30, 2001)


Chinese Edition

takibook3 “The Urge to Contribute is Human Instinct (奉献心―人之本能)”

By Hisao Taki (Author)
Publisher: Central Compilation & Translation Press, China (October 1, 2009)

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