Japan International Cooperation Agency has organized the book called "１人ひとりにできること　1人のためにできること" (As one person, what you can do, what you can do for another).

It has been published from Dimamond Publishing (ダイアモンド出版)

Among many Japanese cerebrities, Ito-san contributed 4-page-long messages in this book. If you have a chance, please take a look at the page 104.

You can purchase this book from Amazon Japan